List集合转Json

示例:

代码:

@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", "小强");        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":"小强"}]        System.out.println(jsonarr);    }

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