Java 8 List<對象> 轉換Map 並根據某個字段分組
上代碼 控台測試 ...
這幾天做的微信公眾號項目中,出現了需要將list分組顯示的需求,解決方法如下 var data id : b b a e e c , userId : qy uid , qcCode : , packageInfo : 秋雨包裹一 , tjTime : : : . , pdTime : : : . , shTime : : : . , addUserId : qy uid , pdUserId : ...
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上代碼 控台測試 ...
變型: 遍歷:數組或對象 總結: 首先拿到的是一堆未分組的數組:[{...}]; 其次根據某個字段進行分組等到: 1.對象:{key:[...]} 2.新數組:[ { name:key,data ...
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<?php $arr = [ [ 'id'=>1, 'name'=>'Tom' ], ...
分組前數據: [ {"f1":"q","f2":"w","f3":"e","f4":"r"}, {"f1":"q","f2":"w","f3":"e","f4":"r"}, {"f1":"w","f2":"w","f3":"e","f4":"r"}, {"f1":"w","f2":"w","f3 ...
JS中代碼 var lstBasicDataType = new Array(); lstBasicDataType.push("<%= Convert.ToInt32(TrueLore.Web.Utility.Enum枚舉集合.傳入查詢 ...