質問編集履歴
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json例を載せた
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}
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}
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```
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```ここに言語を入力
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jsonの例です(大阪)
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{
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"pinpointLocations": [
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{
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"link": "http://weather.livedoor.com/area/forecast/2710000",
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"name": "大阪市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2714000",
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"name": "堺市"
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},
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{
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46
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"link": "http://weather.livedoor.com/area/forecast/2720200",
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"name": "岸和田市"
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48
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},
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{
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50
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"link": "http://weather.livedoor.com/area/forecast/2720300",
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"name": "豊中市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2720400",
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"name": "池田市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2720500",
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"name": "吹田市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2720600",
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"name": "泉大津市"
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},
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{
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66
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"link": "http://weather.livedoor.com/area/forecast/2720700",
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"name": "高槻市"
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},
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{
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70
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"link": "http://weather.livedoor.com/area/forecast/2720800",
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"name": "貝塚市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2720900",
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"name": "守口市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2721000",
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"name": "枚方市"
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80
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},
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{
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82
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"link": "http://weather.livedoor.com/area/forecast/2721100",
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"name": "茨木市"
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84
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},
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85
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{
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86
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"link": "http://weather.livedoor.com/area/forecast/2721200",
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87
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"name": "八尾市"
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88
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},
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89
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{
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90
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"link": "http://weather.livedoor.com/area/forecast/2721300",
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91
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"name": "泉佐野市"
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92
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},
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93
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{
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94
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"link": "http://weather.livedoor.com/area/forecast/2721400",
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95
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"name": "富田林市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2721500",
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"name": "寝屋川市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2721600",
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"name": "河内長野市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2721700",
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"name": "松原市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2721800",
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"name": "大東市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2721900",
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"name": "和泉市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2722000",
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"name": "箕面市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2722100",
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"name": "柏原市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2722200",
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"name": "羽曳野市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2722300",
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"name": "門真市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2722400",
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"name": "摂津市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2722500",
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"name": "高石市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2722600",
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"name": "藤井寺市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2722700",
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"name": "東大阪市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2722800",
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"name": "泉南市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2722900",
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"name": "四條畷市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2723000",
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"name": "交野市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2723100",
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"name": "大阪狭山市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2723200",
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"name": "阪南市"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2730100",
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"name": "島本町"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2732100",
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"name": "豊能町"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2732200",
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"name": "能勢町"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2734100",
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"name": "忠岡町"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2736100",
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"name": "熊取町"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2736200",
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"name": "田尻町"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2736600",
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"name": "岬町"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2738100",
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"name": "太子町"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2738200",
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"name": "河南町"
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},
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{
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"link": "http://weather.livedoor.com/area/forecast/2738300",
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"name": "千早赤阪村"
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}
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],
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"link": "http://weather.livedoor.com/area/forecast/270000",
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"forecasts": [
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{
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"dateLabel": "今日",
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"telop": "雨",
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"date": "2017-10-29",
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"temperature": {
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"min": null,
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"max": {
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"celsius": "18",
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"fahrenheit": "64.4"
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}
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},
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"image": {
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"width": 50,
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"url": "http://weather.livedoor.com/img/icon/15.gif",
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"title": "雨",
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"height": 31
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}
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},
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{
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"dateLabel": "明日",
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"telop": "曇のち晴",
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"date": "2017-10-30",
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"temperature": {
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"min": {
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"celsius": "12",
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"fahrenheit": "53.6"
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},
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"max": {
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"celsius": "15",
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"fahrenheit": "59.0"
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}
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},
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"image": {
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"width": 50,
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"url": "http://weather.livedoor.com/img/icon/12.gif",
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"title": "曇のち晴",
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"height": 31
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}
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},
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{
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"dateLabel": "明後日",
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"telop": "晴れ",
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"date": "2017-10-31",
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"temperature": {
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"min": null,
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"max": null
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},
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"image": {
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"width": 50,
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"url": "http://weather.livedoor.com/img/icon/1.gif",
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"title": "晴れ",
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"height": 31
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}
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265
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}
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],
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"location": {
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268
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"city": "大阪",
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269
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"area": "近畿",
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"prefecture": "大阪府"
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},
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"publicTime": "2017-10-29T11:00:00+0900",
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"copyright": {
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274
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"provider": [
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275
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{
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276
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"link": "http://tenki.jp/",
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277
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"name": "日本気象協会"
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278
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}
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279
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],
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280
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"link": "http://weather.livedoor.com/",
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281
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"title": "(C) LINE Corporation",
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282
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"image": {
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283
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"width": 118,
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284
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"link": "http://weather.livedoor.com/",
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285
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"url": "http://weather.livedoor.com/img/cmn/livedoor.gif",
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286
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"title": "livedoor 天気情報",
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287
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"height": 26
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288
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}
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289
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},
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290
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"title": "大阪府 大阪 の天気",
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"description": {
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292
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"text": " 近畿地方は、前線や台風第22号の影響で雨が降っています。\n\n 今日の近畿地方は、前線や台風第22号の影響で、雷を伴い非常に激しい\n雨が降り、南部では大荒れの天気となるでしょう。\n\n 明日の近畿地方は、寒気や湿った空気の影響で、おおむね曇りとなり、北\n部では雨の降る所がある見込みです。",
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293
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"publicTime": "2017-10-29T10:38:00+0900"
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294
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}
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|
295
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}
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296
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```
|
|
33
297
|
エラー内容は
|
|
34
298
|
Exception in thread "main" java.lang.NullPointerException
|
|
35
299
|
at gotenki.tenki(gotenki.java:58)
|
1
ソースコード打ち間違いを修正
title
CHANGED
|
File without changes
|
body
CHANGED
|
@@ -22,9 +22,18 @@
|
|
|
22
22
|
ObjectMapper ob = new ObjectMapper();
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|
23
23
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|
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24
24
|
JsonNode json = ob.readTree(json_st);
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25
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+
area = json.get("title").textValue();
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|
25
|
-
Weather = json.get("forecasts").get("
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26
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+
Weather = json.get("forecasts").get("telop").textValue();//ここでヌルポインタが発生する...
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|
27
|
+
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|
28
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+
System.out.println(area);
|
|
29
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+
|
|
26
|
-
|
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30
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+
}
|
|
27
|
-
System.out.println(ob);
|
|
28
31
|
}
|
|
29
32
|
```
|
|
33
|
+
エラー内容は
|
|
34
|
+
Exception in thread "main" java.lang.NullPointerException
|
|
35
|
+
at gotenki.tenki(gotenki.java:58)
|
|
36
|
+
at main.tenki(main.java:181)
|
|
37
|
+
at main.main(main.java:133)
|
|
38
|
+
mainの方は呼び出しメソッドで引数に間違いはありません
|
|
30
39
|
ぜひどうすればいいのかご教授ください
|