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Json----简单介绍
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Json
先分享一个网站http://www.bejson.com/,这个是用来检测Json文件的错误的,Json文件一般不好查找错误.
看懂Json只需要四句话:
对象表示为键值对
数据由逗号分隔
花括号保存对象
方括号保存数组
这就是Json文件.不在过多介绍,重点不在这里
基础:Json到对象和对象到Json
需要用到的API:
JsonMapper.ToJson();
JsonMapper.ToObject();
引用命名空间Using LitJson;
代码:
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using LitJson;
public class JsonTest : MonoBehaviour {
void Start()
{
//对象到Json
MyIphone myPhone = new MyIphone
{
appNum = ,
phoneState = true,
appList = new List<string>() { "抖音", "BiliBili", "喜马拉雅听" }
};
string jsonIpone = JsonMapper.ToJson(myPhone);
Debug.Log(jsonIpone); //Json转到对象
string myIphoneJson = "{'appNum':25,'phoneState':false,'appList':['WeChat','Sina','QQ']}";
MyIphone myIPhone = JsonMapper.ToObject<MyIphone>(myIphoneJson);
Debug.Log("手机应用数量:"+myIPhone.appNum+"-手机开机状态"+myIPhone.phoneState);
for (int i = ; i < myIPhone.appList.Count; i++)
{
Debug.Log(myIPhone.appList[i]);
}
}
}
public class MyIphone
{
public int appNum;
public bool phoneState;
public List<string> appList;
}
进阶使用的:
代码二:
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
using LitJson;
using UnityEngine;
public class DataNode// 该class用于json的时候不能有构造函数
{
public string CopyName;
public string CopyPosition;
public string CopyRotation;
}
public class DataCenter
{
public List<DataNode> List; public DataCenter()
{
List =new List<DataNode>();
}
}
public class JsonConvert : MonoBehaviour {
private string _txtPath;
private string _jsonPath;
void Start ()
{
_jsonPath = Application.streamingAssetsPath + "/CopyInfo.json";
_txtPath = Application.streamingAssetsPath + "/CopyInfo.txt";
// Json的解析是很快的 网络
ReadTextToJson();
ReadJsonFromJsonPath();
}
void ReadJsonFromJsonPath()
{
string jsondata = File.ReadAllText(_jsonPath);
List<DataNode> node = JsonMapper.ToObject<List<DataNode>>(jsondata);
Debug.LogError(node.Count);
}
void ReadTextToJson()
{
DataCenter dc = new DataCenter();
using (StreamReader reader = new StreamReader(_txtPath,Encoding.UTF8))
{
string tmpStr = string.Empty;
while ( !string.IsNullOrEmpty(tmpStr = reader.ReadLine()))
{
string[] infos = tmpStr.Split('_');
DataNode _node = new DataNode();
_node = infos();
dc.List.Add(_node);
}
}
//数据读取完毕 开始写入json 传递的List<>
string jsonData = JsonMapper.ToJson(dc.List);
File.WriteAllText(_jsonPath,jsonData);
}
}
代码三:
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
using UnityEngine;
using Excel;
using OfficeOpenXml;
using Excel.Core;
using System.Data;
using OfficeOpenXml.Style;
using UnityEditor;
using LitJson;
class CopyInfo //CopyInfo的构造
{
public string CopyName;
public Vector3 CopyPosition;
public Quaternion CopyRotation;
public CopyInfo(string name, Vector3 postion, Vector3 rotation)
{
CopyName = name;
CopyPosition = postion;
CopyRotation = Quaternion.Euler(rotation);
}
}
class JsonNode//JsonNode的构造
{
public string StrName;
public string StrPosition;
public string StrRotation;
public JsonNode(string name,string pos, string rot)
{
StrName = name;
StrPosition = pos;
StrRotation = rot;
}
}
class MyJsonData //MyJsonData的构造
{
public List<JsonNode> JsonDatalist; public MyJsonData()
{
JsonDatalist = new List<JsonNode>();
}
}
public class CreateManager : MonoBehaviour
{
private List<GameObject> _copyList;
private List<CopyInfo> _copyInfoList;
private MyJsonData _jsonData;
private string _excelPath;
private string _path;
//1. 读文件
//2. 解析文件信息
//3. 实例化
//4. 实例化6个
//4.1 在3s中销毁一个并且添加一个
#region 读取存储在unity的streamingAssets路径中的json
void ReadJsonByJsonPath()
{
string path = Application.streamingAssetsPath + "/CopyInfo.json";//路径
string readInfo =File.ReadAllText(path);//文件读取过程
Debug.LogWarning(readInfo); //类型是JsonNode
List<JsonNode> JsonDatalist = new List<JsonNode>();//因为没有new对象!!!
JsonDatalist = JsonMapper.ToObject<List<JsonNode>>(readInfo);//重要代码
Debug.LogError(JsonDatalist.Count);
}
#endregion
void Start()
{
_path = Application.streamingAssetsPath + "/CopyInfo.txt";
_excelPath = Application.streamingAssetsPath + "/CopyInfo.xlsx";
_copyInfoList = new List<CopyInfo>();
_copyList = new List<GameObject>();
_jsonData = new MyJsonData();
WriteJsonByList();
ReadJsonByJsonPath();
}
#region
private void WriteJsonByList( )
{
string jsonPath = Application.streamingAssetsPath
+ "/CopyInfo.json";
////将一个list信息转换为json格式
////定义一个class 这个class是什么不重要 必须包含一个列表
_jsonData = new MyJsonData();
using (StreamReader reader = new StreamReader(_path,Encoding.UTF8))
{
string tmp = string.Empty;
while ( ! string.IsNullOrEmpty(tmp = reader.ReadLine()))
{
string[] infos = tmp.Split('_');
_jsonData.JsonDatalist.Add(new JsonNode(infos[], infos[], infos[]));
}
}
//jsondata 数据填充完成
string writeData = JsonMapper.ToJson(_jsonData);//
File.WriteAllText(jsonPath,writeData);
}
#endregion
private void WriteExcel(string path, List<CopyInfo> list)
{
FileInfo excelInfo = new FileInfo(path);
if (excelInfo.Exists)
{
excelInfo.Delete();
excelInfo = new FileInfo(path);
}
//开始shiyong Excel
using (ExcelPackage package = new ExcelPackage(excelInfo))
{
ExcelWorksheet sheet = package.Workbook.Worksheets.Add("TestInfo"); // 添加了一个工作表
sheet.Cells[, ].Value = "CopyName";
sheet.Cells[, ].Value = "CopyPosition";
sheet.Cells[, ].Value = "CopyRotation";
for (int i = ; i < _copyInfoList.Count; i++)
{
sheet.Cells[ + i, ].Value = _copyInfoList[i].CopyName;
sheet.Cells[ + i, ].Value = _copyInfoList[i].CopyPosition;
sheet.Cells[ + i, ].Value = _copyInfoList[i].CopyRotation;
}
sheet.Cells.Style.HorizontalAlignment = ExcelHorizontalAlignment.Center;
sheet.Cells.Style.VerticalAlignment = ExcelVerticalAlignment.Center;
sheet.Cells.Style.Font.Bold = true;
sheet.Cells.Style.Font.Name = "宋体";
sheet.Cells.Style.Font.Size = ;
sheet.Cells.AutoFitColumns(, );
package.Save();
}
AssetDatabase.Refresh();
}
}
