package com.test;import com.alibaba.fastjson.JSON;import com.alibaba.fastjson.JSONArray;import com.alibaba.fastjson.JSONObject;public class TestJson { public static void main(String[] args) throws InterruptedException { getJsonKey(); Thread.currentThread().sleep(200); getJsonArrayKey(); } /** * @功能描述：普通JSON */ public static void getJsonKey(){ String createData="{\"mydatas\":{\"price\":10,\"pname\":\"f1\",\"weight\":20,66:88}}"; System.err.println("getJsonKey:"+createData); // 1.将JSON转成JSONObject对象 JSONObject createJsonObject = JSON.parseObject(createData.toString()); // 2.获取mydatas内容 String mydatas = createJsonObject.getString("mydatas"); System.out.println("JSON:"+mydatas); // 3.将子集也转成JSONObject对象 JSONObject product = JSON.parseObject(mydatas); // 4.获取子集内容 String price = product.getString("price"); String pname = product.getString("pname"); String weight = product.getString("weight"); String m66 = product.getString("66"); System.out.print("price:"+price); System.out.print(" pname:"+pname); System.out.print(" weight:"+weight); System.out.println(" 66:"+m66); } /** * @功能描述：JSON数组 */ public static void getJsonArrayKey(){ // 测试JSON String createData="{\"MEMBER_INFO\": [{\"CARD_NAME\": \"普通客户\",\"MEM_PROD_LIST\": {},\"BRAND_NAME\": \"动感地带\",\"MEMBER_ID\": 10057268560,\"CUST_NAME\": \"＊＊静\"}, {\"CARD_NAME\": \"普通客户\",\"MEM_PROD_LIST\": {},\"BRAND_NAME\": \"神州行\",\"MEMBER_ID\": 60053724236,\"CUST_NAME\": \"＊＊娟\"}],\"GROUP_TYPE\": \"SNTY\",\"LOCK_FLAG\": \"0\",\"GRPID_NO\": 11310020302802,\"GROUP_CODE\": \"11310020302802\"}"; System.err.println("getJsonArryKey:"+createData); // 1.将JSON转成JSONObject对象 JSONObject createJsonObject = JSON.parseObject(createData.toString()); // 2.获取MEMBER_INFO内容 JSONArray ja = createJsonObject.getJSONArray("MEMBER_INFO"); JSONObject jaObject =(JSONObject) ja.get(1); System.out.println("ADDPROD_NAME:"+jaObject.getString("ADDPROD_NAME")); }}