1 import net.sf.json.JSONObject;
2
3 public class JsonTools {
4 public static JSONObject getJSONObject(String jData) {
5 if (jData == null || jData.length() <= 0)
6 return null;
7 JSONObject obj = JSONObject.fromObject(jData);
8 return obj;
9 }
10
11 public static <T> String getJsonString(T t) {
12 JSONObject obj = JSONObject.fromObject(t);
13 return obj.toString();
14 }
15
16 public static String getJsonValueByName(JSONObject object, String name) {
17 if (object == null)
18 return "--";
19 String value = object.getString(name);
20 if (null == value || "null".equalsIgnoreCase(value))
21 value = "";
22 return value;
23 }
24
25 public static String getJsonValueByName(String jData, String name) {
26 if (jData == null || jData.length() <= 0)
27 return "";
28 JSONObject obj = JSONObject.fromObject(jData);
29 String value = obj.getString(name);
30 if (null == value || "null".equalsIgnoreCase(value))
31 value = "";
32 return value;
33 }
34
35 public static String getJsonValueNotNull(String jData, String name)
36 throws Exception {
37 if (jData == null || jData.length() <= 0)
38 throw new Exception("获取请求数据[jsonData]为空");
39 JSONObject obj = JSONObject.fromObject(jData);
40 String value = obj.getString(name).trim();
41 if (null == value || value.length() <= 0)
42 throw new Exception("获取的数据对象[" + name + "]为空");
43 return value;
44 }
45
46 @SuppressWarnings({ "rawtypes", "unchecked" })
47 public static <T> T getJavaBean(String jData, Class clazz) {
48
49 JSONObject jsonObject = JSONObject.fromObject(jData);
50 return (T) JSONObject.toBean(jsonObject, clazz);
51 }
52 }
