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List集合轉Json

示例:

這裡寫圖片描述

程式碼:

@Test
    public void ttt(){
        List<Map<String,Object>> rows = new ArrayList<Map<String,Object>>();
        Map<String,Object> row1 = new HashMap<String,Object>();
        row1.put("name", "小名");
        row1.put("age", 16);
        rows.add(row1);
        Map
<String,Object> row2 = new HashMap<String,Object>(); row2.put("name", "小強"); row2.put("age", 18); rows.add(row2); //JSONArray 是 net.sf.json.JSONArray 包下的 JSONArray jsonarr = JSONArray.fromObject(rows); //[{"age":16,"name":"小名"},{"age":18,"name":"小強"}]
System.out.println(jsonarr); }

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