java从页面传回来的json格式是这样的，我怎么获取到里面的deleted实现删除功能，求大神帮忙。 JAVA后台如何解析和获取JSP页面传过来的JSON格式的数...
\u5173\u4e8e java\u5728\u540e\u53f0\u4f20\u4e00\u4e2ajson\u6570\u636e\u5230\u524d\u53f0\u7684\u95ee\u9898\u4ece\u4f60\u4f20\u7684json\u6765\u770b\uff0c\u4f60\u4f20\u56de\u7684sessionModel\u4ec5\u4ec5\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u5e76\u4e0d\u662f\u5305\u542b\u5bf9\u8c61\u7684\u7ed3\u6784\u4f53\uff0c\u6240\u4ee5\u4f60\u53d6\u4e0d\u5230\u7c7b\u6210\u5458\u7684\uff0c\u5982\u679csessionModel\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u90a3\u4e48\u76f8\u5e94\u7684\u5b57\u7b26\u4e32\u5e94\u8be5\u7c7b\u4f3c\u5982\u4e0b\u7ed3\u6784
{\u201cmodel\u201d:{"sessionModel":{"id":"1","name","lz"}}}
\u901a\u8fc7 JSONObject\u7c7b\u5c31\u53ef\u4ee5\u4e86
\u9996\u5148 \u4f60\u628a\u8fd9\u51e0\u4e2a\u5305 \u4e0b\u4e0b\u6765 \u653e\u5230\u4f60\u9879\u76ee\u3002\u5982\u679c\u6709\u5c31\u4e0d\u8981\u4e0b\u4e86\uff1a
1.commons-lang.jar
2.commons-beanutils.jar
3.commons-collections.jar
4.commons-logging.jar
5.ezmorph.jar
6.json-lib-2.2.2-jdk15.jar
\u50cf\u4f60\u8fd9\u79cd\u662f\u6570\u636e\u5f62\u5f0f \u5c31\u901a\u8fc7 JSONArray \u5982\uff1a
JSONArray datasJson = JSONArray.fromObject(datas);\u6700\u597d\u628adatas toString \u4e00\u4e0b
你使用什么json包？不同的json包，操作不一样
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
public class JsonLib
{
public static void main(String[] args)
{
String str = "{\"data\":{\"month\":\"4\",\"allData\":{\"deleted\":[{\"guid\":\"4\",\"tableName\":\"ON\"}]}}}";
JSONObject object = JSONObject.fromString(str);
JSONObject data = object.getJSONObject("data");
JSONObject allData = data.getJSONObject("allData");
JSONArray deleted = allData.getJSONArray("deleted");
for(int i = 0; i < deleted.length(); i++)
{
JSONObject dobj = deleted.getJSONObject(i);
System.out.println(dobj.get("guid"));
System.out.println(dobj.get("tableName"));
}
}
}
绛旓細public class JsonToMapTest01 { public static void main(String[] args){ String str = "{\"0\":\"zhangsan\",\"1\":\"lisi\",\"2\":\"wangwu\",\"3\":\"maliu\"}";//绗竴绉嶆柟寮 Map maps = (Map)JSON.parse(str);System.out.println("杩欎釜鏄敤JSON绫绘潵瑙ｆ瀽JSON瀛楃涓!!!
绛旓細import net.sf.json.JSONArray;import net.sf.json.JSONObject;public class JsonLib{public static void main(String[] args){String str = "{\"data\":{\"month\":\"4\",\"allData\":{\"deleted\":[{\"guid\":\"4\",\"tableName\":\"ON\"}]}}}";JSONObject object = JSONOb...
绛旓細JSONObject json = JSONObject.fromObject(map,jc);鐒跺悗鍔燡SONObject json = JSONObject.fromObject(map,jc);杩欏彞鍟婏紝鍗曠函鐢⊿ONObject json = JSONObject.fromObject(map);鏄洿鎺ユ妸map瀵硅薄鐨勬墍鏈夊睘鎬ч兘杞崲鍒癹son瀵硅薄涓紝鍔犱釜JSONConfig鏄负浜嗚兘鍙夊彲鎺х殑鎶妋ap瀵硅薄杞崲鎴恓son瀵硅薄锛宻avefile鏄竴涓狥ile瀵...
绛旓細1.commons-lang.jar 2.commons-beanutils.jar 3.commons-collections.jar 4.commons-logging.jar 5.ezmorph.jar 6.json-lib-2.2.2-jdk15.jar 鍍忎綘杩欑鏄暟鎹舰寮 灏遍氳繃 JSONArray 濡傦細JSONArray datasJson = JSONArray.fromObject(datas);鏈濂芥妸datas toString 涓涓 ...
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