using Newtonsoft.Json; using System.IO;
public class Info { public string FileName { get; set; } public int ImgWidth { get; set; } public int ImgHeight { get; set; } public int LocationX { get; set; } public int LocationY { get; set; } } private void WriteJson() { //建立資料 List<Info> listInfoModel = new List<Info>() { new ImgInfo() { FileName ="test1", ImgWidth = 12, ImgHeight = 13, LocationX = 100, LocationY = 1234}, new ImgInfo() { FileName ="test2", ImgWidth = 75, ImgHeight = 135, LocationX = 456, LocationY = 9876} }; //儲存檔案 string Filename = "test.json"; string jsondata = JsonConvert.SerializeObject(listInfoModel); File.WriteAllText(Filename, jsondata); }
private void ReadJson() { string Filename = "test.json"; string jsonString = File.ReadAllText(Filename); List<Info> test = JsonConvert.DeserializeObject<List<Info>>(jsonString); MessageBox.Show(test[0].n_LocationX.ToString()); MessageBox.Show("OK"); }
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; using Newtonsoft.Json; using System.IO; namespace v2015Mytest { public partial class Form1 : Form { public Form1() { InitializeComponent(); } public class ImgInfo { public string s_FileName { get; set; } public int n_ImgWidth { get; set; } public int n_ImgHeight { get; set; } public int n_LocationX { get; set; } public int n_LocationY { get; set; } } //寫Json private void button1_Click(object sender, EventArgs e) { List<ImgInfo> listInfoModel = new List<ImgInfo>() { new ImgInfo() { s_FileName ="test1", n_ImgWidth = 12, n_ImgHeight = 13, n_LocationX = 100, n_LocationY = 1234}, new ImgInfo() { s_FileName ="test2", n_ImgWidth = 75, n_ImgHeight = 135, n_LocationX = 456, n_LocationY = 9876} }; //MessageBox.Show(JsonConvert.SerializeObject(listInfoModel)); string Filename = "test.json"; string jsondata = JsonConvert.SerializeObject(listInfoModel); File.WriteAllText(Filename, jsondata); MessageBox.Show("OK"); } //讀Json private void button2_Click(object sender, EventArgs e) { string Filename = "test.json"; string jsonString = File.ReadAllText(Filename); List<ImgInfo> test = JsonConvert.DeserializeObject<List<ImgInfo>>(jsonString); MessageBox.Show(test[1].n_LocationX.ToString()); MessageBox.Show("OK"); } } }