List集合轉Json
阿新 • • 發佈:2019-02-05
示例:
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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