回答編集履歴
3
chousei
test
CHANGED
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@@ -125,8 +125,10 @@
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125
125
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window.addEventListener('DOMContentLoaded', ()=>{
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126
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del.addEventListener('click',()=>{
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127
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tbl.innerHTML = "";
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128
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+
document.querySelector('[type=file]').value="";
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128
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});
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129
130
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create.addEventListener('click',()=>{
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131
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del.click();
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130
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document.querySelector('[type=file]').click();
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});
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document.querySelector('[type=file]').addEventListener('change',e=>{
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2
調整
test
CHANGED
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@@ -97,3 +97,54 @@
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97
97
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<div id="tbl"></div>
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98
98
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</form>
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99
99
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```
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100
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+
# 作成ボタンをクリックしたらファイル選択画面が表示される
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101
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+
ファイルのドラッグアンドドロップはUI的にNGということなので以下
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102
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```javascript
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103
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<style>
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104
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input[type="file"] {
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105
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display:none;
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106
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}
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107
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body {
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108
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background-color: #FFFF66;
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109
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}
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110
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input {
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111
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margin: 1em;
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112
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}
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113
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table {
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114
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width: 100%;
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115
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border-collapse: collapse;
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116
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border: 1px solid gray;
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117
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background-color: #CCFFFF;
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118
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}
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119
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table td {
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120
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border: 1px solid gray;
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121
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padding: 4px;
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122
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}
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123
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</style>
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124
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<script>
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125
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window.addEventListener('DOMContentLoaded', ()=>{
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126
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del.addEventListener('click',()=>{
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127
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tbl.innerHTML = "";
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128
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});
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129
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create.addEventListener('click',()=>{
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130
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document.querySelector('[type=file]').click();
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131
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});
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132
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document.querySelector('[type=file]').addEventListener('change',e=>{
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133
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const file = e.target.files[0];
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134
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const fr = new FileReader();
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135
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fr.onload = e=>{
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const data=JSON.parse(e.target.result).table;
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137
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const table=`<table><tbody>${data.map(x=>`<tr>${Object.values(x).map(x=>`<td>${x}</td>`).join('')}</tr>`).join('')}</tbody></table>`;
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138
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tbl.innerHTML=table;
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139
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}
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140
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fr.readAsText(file);
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141
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});
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142
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});
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143
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</script>
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144
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<form method="post" enctype="multipart/form-data">
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145
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<input type="file" name="userfile" accept="application/json">
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<input type="button" value="作成" id="create">
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147
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<input type="button" value="削除" id="del">
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148
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<div id="tbl"></div>
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149
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</form>
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150
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```
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1
chousei
test
CHANGED
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@@ -34,3 +34,66 @@
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34
34
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<input type="button" value="削除" id="del">
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35
35
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<div id="tbl"></div>
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36
36
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```
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37
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+
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38
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# jsonファイルのドラッグアンドドロップでテーブル表示
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39
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こんな感じで
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40
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```javascript
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41
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<style>
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42
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#droppable {
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43
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border: gray solid 1em;
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44
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display: block;
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45
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padding: 2px 1em;
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46
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position: relative;
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47
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height:100px;
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48
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}
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49
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#droppable input[type="file"] {
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50
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background-Color:red;
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51
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height: 100%;
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52
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left: 0px;
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53
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top: 0px;
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54
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position: absolute;
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55
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width: 100%;
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56
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opacity: 0;
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57
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}
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58
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body {
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59
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background-color: #FFFF66;
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60
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}
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61
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input {
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62
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margin: 1em;
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63
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}
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64
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table {
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65
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width: 100%;
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66
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border-collapse: collapse;
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67
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border: 1px solid gray;
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68
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background-color: #CCFFFF;
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69
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}
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70
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table td {
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71
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border: 1px solid gray;
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72
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padding: 4px;
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73
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}
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74
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</style>
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75
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<script>
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76
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window.addEventListener('DOMContentLoaded', ()=>{
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77
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del.addEventListener('click',()=>{
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78
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tbl.innerHTML = "";
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79
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});
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80
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+
document.querySelector('[type=file]').addEventListener('change',e=>{
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81
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const file = e.target.files[0];
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82
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const fr = new FileReader();
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83
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fr.onload = e=>{
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84
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const data=JSON.parse(e.target.result).table;
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85
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const table=`<table><tbody>${data.map(x=>`<tr>${Object.values(x).map(x=>`<td>${x}</td>`).join('')}</tr>`).join('')}</tbody></table>`;
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86
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tbl.innerHTML=table;
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87
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}
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88
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fr.readAsText(file);
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89
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});
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90
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});
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91
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</script>
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92
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+
<form method="post" action="y.php" enctype="multipart/form-data">
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93
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<div id="droppable"><div>ドロップして</div>
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94
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+
<input type="file" name="userfile" accept="application/json">
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95
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+
</div>
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96
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+
<input type="button" value="削除" id="del">
|
|
97
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+
<div id="tbl"></div>
|
|
98
|
+
</form>
|
|
99
|
+
```
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