質問編集履歴
2
ほんのちょっと追記。
test
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test
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```test.php
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<?php
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$db = new PDO("sqlite:test.db");
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/* 初期設定 */
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$sql = "CREATE TABLE IF NOT EXISTS fruits (id INTEGER PRIMARY KEY AUTOINCREMENT, no INTEGER, name TEXT)";
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$stmt = $db->prepare($sql);
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$stmt->execute();
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$stmt = $db->query("SELECT COUNT(*) FROM fruits");
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/* サンプルデータ投入 */
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$count = $stmt->fetchColumn();
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if ($count == 0) {
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$fruits = ["みかん", "ぶどう", "ばなな"];
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$i = 1;
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$db->beginTransaction();
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foreach ($fruits as $fruit) {
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$db->exec("INSERT INTO fruits (no, name) VALUES ($i, '$fruit')");
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$i++;
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}
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$db->commit();
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}
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/* 初期表示 */
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if (isset($_GET["func"]) && $_GET["func"] == "init") {
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$stmt = $db->query("SELECT * FROM fruits ORDER BY no");
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$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
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$json = json_encode($rows);
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echo $json;
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$db = null;
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exit();
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/* たとえば削除 */
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} else if (isset($_POST["func"]) && $_POST["func"] == "postDB") {
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$id = $_POST['id'];
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$no = $_POST['no'];
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$sql = "DELETE FROM fruits WHERE no = $no";
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$stmt = $db->prepare($sql);
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$stmt->execute();
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}
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$db = null;
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?>
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<html>
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<head>
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<meta charset="utf-8">
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<script type="text/javascript">
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Ajax = new XMLHttpRequest();
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window.onload = init();
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function init() {
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var url = "test.php" + "?dummy=" + new Date().getTime() + "&func=" + "init";
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Ajax.open("GET", url, true);
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Ajax.send(null);
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Ajax.onreadystatechange = function() {
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if (Ajax.readyState == 4 && Ajax.status == 200) {
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var rows = JSON.parse(Ajax.responseText);
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var out = "<input type='search' autocomplete='on' list='keywords' id='fruits'>";
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out += "<datalist id='keywords'>";
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/* 本来このなかにrows[i]['id']があって、それを拾えるようにしたいが表示させたくはない */
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for (var i in rows) {
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out += "<option value='"+rows[i]['no']+"/"+rows[i]['name']+"'>";
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}
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out += "</datalist>";
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out += "<input type='button' onclick='postDB();' value='送信'>";
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document.getElementById("result").innerHTML = out;
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}
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}
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}
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/* idをDBへ投げる */
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function postDB() {
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var name = document.getElementById('fruits').value;
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var i = name.indexOf("/");
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var no = name.substr(0,i);
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// var id = "" 本来これを取得して投げたいができないので代わりにほかのものを投げる
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var id = 0; // エラー回避のためのダミー
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var url = "test.php";
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Ajax.open("POST", url, true);
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Ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
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Ajax.send("func=" + "postDB" + "&id=" + id + "&no=" + no);
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Ajax.onreadystatechange = function() {
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if (Ajax.readyState == 4 && Ajax.status == 200) {
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init();
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}
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}
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}
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</script>
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</head>
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<body>
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<div id="result"></div>
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</body>
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</html>
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```
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74
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-
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75
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<?php
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76
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-
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77
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-
$db = new PDO("sqlite:test.db");
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|
78
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-
|
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79
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-
/* 初期設定 */
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80
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-
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81
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$sql = "CREATE TABLE IF NOT EXISTS fruits (id INTEGER PRIMARY KEY AUTOINCREMENT, no INTEGER, name TEXT)";
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82
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-
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83
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$stmt = $db->prepare($sql);
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84
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-
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85
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$stmt->execute();
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86
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-
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87
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$stmt = $db->query("SELECT COUNT(*) FROM fruits");
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88
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-
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89
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/* サンプルデータ投入 */
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90
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-
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91
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$count = $stmt->fetchColumn();
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92
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93
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if ($count == 0) {
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94
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-
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95
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$fruits = ["みかん", "ぶどう", "ばなな"];
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96
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-
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97
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$i = 1;
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98
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-
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99
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$db->beginTransaction();
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100
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101
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foreach ($fruits as $fruit) {
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102
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103
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$db->exec("INSERT INTO fruits (no, name) VALUES ($i, '$fruit')");
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104
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105
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$i++;
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106
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107
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}
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108
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109
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$db->commit();
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110
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111
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}
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112
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-
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113
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/* 初期表示 */
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114
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-
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115
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if (isset($_GET["func"]) && $_GET["func"] == "init") {
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116
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-
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117
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$stmt = $db->query("SELECT * FROM fruits ORDER BY no");
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118
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-
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119
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$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
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120
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121
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$json = json_encode($rows);
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122
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echo $json;
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124
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$db = null;
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126
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-
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exit();
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-
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129
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/* たとえば削除 */
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130
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-
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131
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-
} else if (isset($_POST["func"]) && $_POST["func"] == "postDB") {
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132
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133
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$id = $_POST['id'];
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134
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135
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$no = $_POST['no'];
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137
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$sql = "DELETE FROM fruits WHERE no = $no";
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$stmt = $db->prepare($sql);
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$stmt->execute();
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142
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143
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}
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144
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$db = null;
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?>
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148
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-
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149
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<html>
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150
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-
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151
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<head>
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152
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-
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153
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<meta charset="utf-8">
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154
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-
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155
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<script type="text/javascript">
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156
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-
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157
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158
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159
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Ajax = new XMLHttpRequest();
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160
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161
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162
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163
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window.onload = init();
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164
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165
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166
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167
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function init() {
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168
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169
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var url = "test.php" + "?dummy=" + new Date().getTime() + "&func=" + "init";
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170
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171
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Ajax.open("GET", url, true);
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Ajax.send(null);
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Ajax.onreadystatechange = function() {
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176
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177
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if (Ajax.readyState == 4 && Ajax.status == 200) {
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179
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var rows = JSON.parse(Ajax.responseText);
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180
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181
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var out = "<input type='search' autocomplete='on' list='keywords' id='fruits'>";
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182
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-
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183
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out += "<datalist id='keywords'>";
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184
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-
|
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185
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/* 本来このなかにrows[i]['id']があって、それを拾えるようにしたいが表示させたくはない */
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186
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-
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187
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-
for (var i in rows) {
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188
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-
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189
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out += "<option value='"+rows[i]['no']+"/"+rows[i]['name']+"'>";
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190
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191
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}
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192
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193
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out += "</datalist>";
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194
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195
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out += "<input type='button' onclick='postDB();' value='送信'>";
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196
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197
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document.getElementById("result").innerHTML = out;
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199
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}
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200
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201
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}
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202
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-
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203
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}
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204
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-
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205
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/* idをDBへ投げる */
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206
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-
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207
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function postDB() {
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208
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-
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209
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var name = document.getElementById('fruits').value;
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210
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211
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var i = name.indexOf("/");
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212
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-
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213
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var no = name.substr(0,i);
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214
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-
|
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215
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-
// var id = "" 本来これを取得して投げたいができないので代わりにほかのものを投げる
|
|
216
|
-
|
|
217
|
-
var id = 0; // エラー回避のためのダミー
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|
218
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-
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219
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-
var url = "test.php";
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|
220
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-
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221
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-
Ajax.open("POST", url, true);
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222
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-
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223
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Ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
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224
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-
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225
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Ajax.send("func=" + "postDB" + "&id=" + id + "&no=" + no);
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226
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-
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227
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Ajax.onreadystatechange = function() {
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228
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-
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229
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if (Ajax.readyState == 4 && Ajax.status == 200) {
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230
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-
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231
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init();
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232
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-
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233
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}
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234
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235
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}
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236
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237
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}
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238
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-
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239
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</script>
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240
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-
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241
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</head>
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242
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-
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243
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<body>
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244
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-
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245
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<div id="result"></div>
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246
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-
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247
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</body>
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248
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-
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249
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</html>
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250
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-
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251
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-
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252
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253
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```
|
1
文章の追加、補足
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -63,3 +63,191 @@
|
|
|
63
63
|
</html>
|
|
64
64
|
|
|
65
65
|
```
|
|
66
|
+
|
|
67
|
+
|
|
68
|
+
|
|
69
|
+
補足：用途はたくさんある候補からひとつ選ばせ、たとえばそれを削除したり、何かしらの登録をやるといった具合です。その際、DB上でユニークなのはidだけという設定です（no や nameは重複の余地を残している）。
|
|
70
|
+
|
|
71
|
+
|
|
72
|
+
|
|
73
|
+
```
|
|
74
|
+
|
|
75
|
+
<?php
|
|
76
|
+
|
|
77
|
+
$db = new PDO("sqlite:test.db");
|
|
78
|
+
|
|
79
|
+
/* 初期設定 */
|
|
80
|
+
|
|
81
|
+
$sql = "CREATE TABLE IF NOT EXISTS fruits (id INTEGER PRIMARY KEY AUTOINCREMENT, no INTEGER, name TEXT)";
|
|
82
|
+
|
|
83
|
+
$stmt = $db->prepare($sql);
|
|
84
|
+
|
|
85
|
+
$stmt->execute();
|
|
86
|
+
|
|
87
|
+
$stmt = $db->query("SELECT COUNT(*) FROM fruits");
|
|
88
|
+
|
|
89
|
+
/* サンプルデータ投入 */
|
|
90
|
+
|
|
91
|
+
$count = $stmt->fetchColumn();
|
|
92
|
+
|
|
93
|
+
if ($count == 0) {
|
|
94
|
+
|
|
95
|
+
$fruits = ["みかん", "ぶどう", "ばなな"];
|
|
96
|
+
|
|
97
|
+
$i = 1;
|
|
98
|
+
|
|
99
|
+
$db->beginTransaction();
|
|
100
|
+
|
|
101
|
+
foreach ($fruits as $fruit) {
|
|
102
|
+
|
|
103
|
+
$db->exec("INSERT INTO fruits (no, name) VALUES ($i, '$fruit')");
|
|
104
|
+
|
|
105
|
+
$i++;
|
|
106
|
+
|
|
107
|
+
}
|
|
108
|
+
|
|
109
|
+
$db->commit();
|
|
110
|
+
|
|
111
|
+
}
|
|
112
|
+
|
|
113
|
+
/* 初期表示 */
|
|
114
|
+
|
|
115
|
+
if (isset($_GET["func"]) && $_GET["func"] == "init") {
|
|
116
|
+
|
|
117
|
+
$stmt = $db->query("SELECT * FROM fruits ORDER BY no");
|
|
118
|
+
|
|
119
|
+
$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
|
|
120
|
+
|
|
121
|
+
$json = json_encode($rows);
|
|
122
|
+
|
|
123
|
+
echo $json;
|
|
124
|
+
|
|
125
|
+
$db = null;
|
|
126
|
+
|
|
127
|
+
exit();
|
|
128
|
+
|
|
129
|
+
/* たとえば削除 */
|
|
130
|
+
|
|
131
|
+
} else if (isset($_POST["func"]) && $_POST["func"] == "postDB") {
|
|
132
|
+
|
|
133
|
+
$id = $_POST['id'];
|
|
134
|
+
|
|
135
|
+
$no = $_POST['no'];
|
|
136
|
+
|
|
137
|
+
$sql = "DELETE FROM fruits WHERE no = $no";
|
|
138
|
+
|
|
139
|
+
$stmt = $db->prepare($sql);
|
|
140
|
+
|
|
141
|
+
$stmt->execute();
|
|
142
|
+
|
|
143
|
+
}
|
|
144
|
+
|
|
145
|
+
$db = null;
|
|
146
|
+
|
|
147
|
+
?>
|
|
148
|
+
|
|
149
|
+
<html>
|
|
150
|
+
|
|
151
|
+
<head>
|
|
152
|
+
|
|
153
|
+
<meta charset="utf-8">
|
|
154
|
+
|
|
155
|
+
<script type="text/javascript">
|
|
156
|
+
|
|
157
|
+
|
|
158
|
+
|
|
159
|
+
Ajax = new XMLHttpRequest();
|
|
160
|
+
|
|
161
|
+
|
|
162
|
+
|
|
163
|
+
window.onload = init();
|
|
164
|
+
|
|
165
|
+
|
|
166
|
+
|
|
167
|
+
function init() {
|
|
168
|
+
|
|
169
|
+
var url = "test.php" + "?dummy=" + new Date().getTime() + "&func=" + "init";
|
|
170
|
+
|
|
171
|
+
Ajax.open("GET", url, true);
|
|
172
|
+
|
|
173
|
+
Ajax.send(null);
|
|
174
|
+
|
|
175
|
+
Ajax.onreadystatechange = function() {
|
|
176
|
+
|
|
177
|
+
if (Ajax.readyState == 4 && Ajax.status == 200) {
|
|
178
|
+
|
|
179
|
+
var rows = JSON.parse(Ajax.responseText);
|
|
180
|
+
|
|
181
|
+
var out = "<input type='search' autocomplete='on' list='keywords' id='fruits'>";
|
|
182
|
+
|
|
183
|
+
out += "<datalist id='keywords'>";
|
|
184
|
+
|
|
185
|
+
/* 本来このなかにrows[i]['id']があって、それを拾えるようにしたいが表示させたくはない */
|
|
186
|
+
|
|
187
|
+
for (var i in rows) {
|
|
188
|
+
|
|
189
|
+
out += "<option value='"+rows[i]['no']+"/"+rows[i]['name']+"'>";
|
|
190
|
+
|
|
191
|
+
}
|
|
192
|
+
|
|
193
|
+
out += "</datalist>";
|
|
194
|
+
|
|
195
|
+
out += "<input type='button' onclick='postDB();' value='送信'>";
|
|
196
|
+
|
|
197
|
+
document.getElementById("result").innerHTML = out;
|
|
198
|
+
|
|
199
|
+
}
|
|
200
|
+
|
|
201
|
+
}
|
|
202
|
+
|
|
203
|
+
}
|
|
204
|
+
|
|
205
|
+
/* idをDBへ投げる */
|
|
206
|
+
|
|
207
|
+
function postDB() {
|
|
208
|
+
|
|
209
|
+
var name = document.getElementById('fruits').value;
|
|
210
|
+
|
|
211
|
+
var i = name.indexOf("/");
|
|
212
|
+
|
|
213
|
+
var no = name.substr(0,i);
|
|
214
|
+
|
|
215
|
+
// var id = "" 本来これを取得して投げたいができないので代わりにほかのものを投げる
|
|
216
|
+
|
|
217
|
+
var id = 0; // エラー回避のためのダミー
|
|
218
|
+
|
|
219
|
+
var url = "test.php";
|
|
220
|
+
|
|
221
|
+
Ajax.open("POST", url, true);
|
|
222
|
+
|
|
223
|
+
Ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
|
|
224
|
+
|
|
225
|
+
Ajax.send("func=" + "postDB" + "&id=" + id + "&no=" + no);
|
|
226
|
+
|
|
227
|
+
Ajax.onreadystatechange = function() {
|
|
228
|
+
|
|
229
|
+
if (Ajax.readyState == 4 && Ajax.status == 200) {
|
|
230
|
+
|
|
231
|
+
init();
|
|
232
|
+
|
|
233
|
+
}
|
|
234
|
+
|
|
235
|
+
}
|
|
236
|
+
|
|
237
|
+
}
|
|
238
|
+
|
|
239
|
+
</script>
|
|
240
|
+
|
|
241
|
+
</head>
|
|
242
|
+
|
|
243
|
+
<body>
|
|
244
|
+
|
|
245
|
+
<div id="result"></div>
|
|
246
|
+
|
|
247
|
+
</body>
|
|
248
|
+
|
|
249
|
+
</html>
|
|
250
|
+
|
|
251
|
+
|
|
252
|
+
|
|
253
|
+
```
|