unity中从txt文件中读取解析json数据&&unity中json数据写入txt文件

using UnityEngine;

using System.Collections;

using LitJson;

using System.IO;

#if UNITY_EDITOR

using UnityEditor;

#endif

public class NewBehaviourScript : MonoBehaviour {

public TextAsset txt;

public string filePath;

public string fileName;

// Use this for initialization

void Start () {

filePath = Application.dataPath + "/TextFile";

fileName = filePath + "/File.txt";

}

// Update is called once per frame

void Update () {

}

void ReadJson()

{

//string str = "{'name':'taotao','id':10,'items':[{'itemid':1001,'itemname':'dtao'},{'itemid':1002,'itemname':'test_2'}]}";

//string str = "{'name':'taotao','id':'10','items':[{'itemid':'1001','itemname':'dtao'},{'itemid':'1000','itemname:test_2'}]}";

string str=@"

{

""album"" : {

""name"" : ""The Dark Side of the Moon"",

""artist"" : ""Pink Floyd"",

""year"" : 1973,

""tracks"" : [

""Speak To Me"",

""Breathe"",

""On The Run""

]

}

}

";

//这里是json解析了

LitJson.JsonData jd = LitJson.JsonMapper.ToObject(str);

for(int ii=0;ii<jd["album"]["tracks"].Count;ii++)

{

Debug.Log(jd["album"]["tracks"][ii]);

}

}

void ReadJsonFromTXT()

{

//解析json

JsonData jd = JsonMapper.ToObject(txt.text);

JsonData jditem = jd["results"];

for (int i = 0; i < jditem.Count; i++)

{

Debug.Log(jditem[i]["id"]);

//Debug.Log(i);

//Debug.Log(jd["results"]);

//Debug.Log("id="+jditem["id"]);

//Debug.Log("color="+weapon["color"]);

//Debug.Log("durability="+weapon["durability"]);

}

}

void WriteJsonAndPrint()

{

System.Text.StringBuilder strB = new System.Text.StringBuilder();

JsonWriter jsWrite = new JsonWriter(strB);

jsWrite.WriteObjectStart();

jsWrite.WritePropertyName("Name");

jsWrite.Write("taotao");

jsWrite.WritePropertyName("Age");

jsWrite.Write(25);

jsWrite.WritePropertyName("MM");

jsWrite.WriteArrayStart();

jsWrite.WriteObjectStart();

jsWrite.WritePropertyName("name");

jsWrite.Write("xiaomei");

jsWrite.WritePropertyName("age");

jsWrite.Write("17");

jsWrite.WriteObjectEnd();

jsWrite.WriteObjectStart();

jsWrite.WritePropertyName("name");

jsWrite.Write("xiaoli");

jsWrite.WritePropertyName("age");

jsWrite.Write("18");

jsWrite.WriteObjectEnd();

jsWrite.WriteArrayEnd();

jsWrite.WriteObjectEnd();

Debug.Log(strB);

JsonData jd = JsonMapper.ToObject(strB.ToString());

Debug.Log("name=" + jd["Name"]);

Debug.Log("age=" + jd["Age"]);

JsonData jdItems = jd["MM"];

for (int i = 0; i < jdItems.Count; i++)

{

Debug.Log("MM name=" + jdItems[i]["name"]);

Debug.Log("MM age=" + jdItems[i]["age"]);

}

}

void WriteJsonToFile(string path,string fileName)

{

System.Text.StringBuilder strB = new System.Text.StringBuilder();

JsonWriter jsWrite = new JsonWriter(strB);

jsWrite.WriteObjectStart();

jsWrite.WritePropertyName("Name");

jsWrite.Write("taotao");

jsWrite.WritePropertyName("Age");

jsWrite.Write(25);

jsWrite.WritePropertyName("MM");

jsWrite.WriteArrayStart();

jsWrite.WriteObjectStart();

jsWrite.WritePropertyName("name");

jsWrite.Write("xiaomei");

jsWrite.WritePropertyName("age");

jsWrite.Write("17");

jsWrite.WriteObjectEnd();

jsWrite.WriteObjectStart();

jsWrite.WritePropertyName("name");

jsWrite.Write("xiaoli");

jsWrite.WritePropertyName("age");

jsWrite.Write("18");

jsWrite.WriteObjectEnd();

jsWrite.WriteArrayEnd();

jsWrite.WriteObjectEnd();

Debug.Log(strB);

//创建文件目录

DirectoryInfo dir = new DirectoryInfo(path);

if (dir.Exists)

{

Debug.Log("This file is already exists");

}

else

{

Directory.CreateDirectory(path);

Debug.Log("CreateFile");

#if UNITY_EDITOR

AssetDatabase.Refresh();

#endif

}

//把json数据写到txt里

StreamWriter sw;

if (File.Exists(fileName))

{

//如果文件存在，那么就向文件继续附加（为了下次写内容不会覆盖上次的内容)

sw = File.AppendText(fileName);

Debug.Log("appendText");

}

else

{

//如果文件不存在则创建文件

sw = File.CreateText(fileName);

Debug.Log("createText");

}

sw.WriteLine(strB);

sw.Close();

#if UNITY_EDITOR

AssetDatabase.Refresh();

#endif

}

void OnGUI()

{

GUILayout.BeginArea(new Rect(0, 0, Screen.width, Screen.height));

GUILayout.BeginHorizontal();

GUILayout.FlexibleSpace();

GUILayout.BeginVertical();

GUILayout.FlexibleSpace();

if (GUILayout.Button("ReadJson"))

{

ReadJson();

}

if (GUILayout.Button("ReadJsonFromTXT"))

{

ReadJsonFromTXT();

}

if (GUILayout.Button("WriteJsonAndPrint"))

{

WriteJsonAndPrint();

}

if (GUILayout.Button("WriteJsonToFile"))

{

WriteJsonToFile(filePath,fileName);

}

GUILayout.FlexibleSpace();

GUILayout.EndVertical();

GUILayout.FlexibleSpace();

GUILayout.EndHorizontal();

GUILayout.EndArea();

}

}