日期:2014-05-16 浏览次数:20325 次
public class JsonLibTest { public List<TreeNode> getEntity(){ List<TreeNode> result = new ArrayList<TreeNode>(); TreeNode tn = new TreeNode(); tn.setId(1); tn.setPid(0); tn.setName("目录1"); result.add(tn); tn = new TreeNode(); tn.setId(11); tn.setPid(1); tn.setName("目录11"); result.add(tn); tn = new TreeNode(); tn.setId(111); tn.setPid(11); tn.setName("目录111"); result.add(tn); tn = new TreeNode(); tn.setId(12); tn.setPid(1); tn.setName("目录12"); result.add(tn); tn = new TreeNode(); tn.setId(2); tn.setPid(0); tn.setName("目录2"); result.add(tn); tn = new TreeNode(); tn.setId(1); tn.setPid(0); tn.setName("目录1"); result.add(tn); return result; } public String testEntityList2Json(){ String result = ""; List<TreeNode> entity = this.getEntity(); JSONArray jsonArray = JSONArray.fromObject(entity); result = jsonArray.toString(); System.out.println("************************ Json:\n"+result); return result; } public void testJson2EntityList(){ List<TreeNode> result = null; String json = this.testEntityList2Json(); JSONArray jsonobj = JSONArray.fromObject(json); result = (List<TreeNode>) JSONArray.toList(jsonobj,TreeNode.class); for(TreeNode tn:result){ System.out.println(tn.getName()); } } public static void main(String args[]){ JsonLibTest test = new JsonLibTest(); test.testJson2EntityList(); } }
public class TreeNode { private Integer id; private Integer pid; private String name; public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public Integer getPid() { return pid; } public void setPid(Integer pid) { this.pid = pid; } public String getName() { return name; } public void setName(String name) { this.name = name; } }