java解析复杂的json字符串

String parameter = {
success : 0,
errorMsg : "错误消息",
data : {
total : "总记录数",
rows : [ {
id : "任务ID",
workName : "任务名称",
assigneeName : "经办人姓名",
name : "流程步骤名称",
processInstanceInitiatorName : "发起人",
processInstanceStartTime : "发起时间",
createTime : "到达时间",
dueDate : "截止时间"
}, {
id : "ID",
workName : "名称",
assigneeName : "经办人",
name : "流程",
processInstanceInitiatorName : "发起人",
processInstanceStartTime : "发起",
createTime : "到达",
dueDate : "截止"
} ]
}
};

JSONObject jsonObject =JSONObject.fromObject(parameter);

System.out.println("success:"+jsonObject.get("success"));
System.out.println("errorMsg:"+jsonObject.get("errorMsg"));

System.err.println("total:"+jsonObject.getJSONObject("data").get("total"));

JSONObject data = jsonObject.getJSONObject("data");
JSONArray jsonArray = data.getJSONArray("row");
JSONObject row = null;
for (int i = 0; i < jsonArray.size(); i++) {
row = jsonArray.getJSONObject(i);
System.out.println("id:"+row.get("id"));
System.out.println("workName:"+row.get("workName"));
System.out.println("assigneeName:"+row.get("assigneeName"));
System.out.println("name:"+row.get("name"));
System.out.println("processInstanceInitiatorName:"+row.get("processInstanceInitiatorName"));
System.out.println("processInstanceStartTime:"+row.get("processInstanceStartTime"));
System.out.println("createTime:"+row.get("createTime"));
System.out.println("dueDate:"+row.get("dueDate"));
}