add update data in doc

Example/SaveSystem/Script/ViewSaveSystem.cs

@@ -31,7 +31,7 @@ namespace EGFramework.Examples.Test {
         public void TestMySQL()
         {
             EGDapper mysqlSave = this.EGSave().Load<EGMysqlSave>("server=" + "localhost" + ";port=" + "3306" + ";uid=" + "root" + ";pwd=" + "root" + ";database=" + "Test3" + ";");
-            bool isExist = mysqlSave.ContainsKey("DataStudent");
+            bool isExist = mysqlSave.ContainsData("DataStudent",3);
             GD.Print(isExist);
             // mysqlSave.CreateTable<DataStudent>("DataStudent");
             // DataStudent stuData = new DataStudent("Bob", 12);
@@ -47,12 +47,15 @@ namespace EGFramework.Examples.Test {
             // mysqlSave.AddData<DataStu>("DataStudent",stuList);
             // mysqlSave.RemoveData("DataStudent",2);
             // IEnumerable<DataStu> findStudent = mysqlSave.FindData<DataStu>("DataStudent", e => e.Name == "CC");
-            IEnumerable<DataStu> findStudent = mysqlSave.FindData<DataStu>("DataStudent","Name","CC");
+            // IEnumerable<DataStu> findStudent = mysqlSave.FindData<DataStu>("DataStudent","Name","CC");
-            GD.Print(findStudent.Count() +" data has been find!");
+            // GD.Print(findStudent.Count() +" data has been find!");
-            foreach (DataStu stu in findStudent)
+            // int count = 0;
-            {
+            // foreach (DataStu stu in findStudent)
-                GD.Print(stu.Path);
+            // {
-            }
+            //     DataStu NewData = new DataStu("CC_" + count, stu.Age, stu.Path);
+            //     mysqlSave.UpdateData("DataStudent", NewData, stu.ID);
+            //     count++;
+            // }
         }
 
         public void TestDialog()

Manual/SaveTools.md

@@ -135,6 +135,13 @@ bool isExist = mysqlSave.ContainsKey("DataStudent");
 GD.Print(isExist);
 ```
 
+### 查询对应ID的条目是否存在
+
+```csharp
+bool isExist = mysqlSave.ContainsData("DataStudent",3);
+GD.Print(isExist);
+```
+
 ### 初始化表
 
 如果包含复合对象的，比如其它类对象的声明（例如上面的 EGPathSelect），此选项创建的字段为varchar(255)，同String。
@@ -209,7 +216,19 @@ foreach (DataStu stu in findStudent)
 
 ### 修改数据
 
+查找所有Name字段包含CC的数据，并给名称增加编号。
 
+```csharp
+IEnumerable<DataStu> findStudent = mysqlSave.FindData<DataStu>("DataStudent","Name","CC");
+GD.Print(findStudent.Count() +" data has been find!");
+int count = 0;
+foreach (DataStu stu in findStudent)
+{
+    DataStu NewData = new DataStu("CC_" + count, stu.Age, stu.Path);
+    mysqlSave.UpdateData("DataStudent", NewData, stu.ID);
+    count++;
+}
+```
 
 
 
@@ -254,8 +273,4 @@ File：
 
 
 
-## 数据库增删改查
-
-
-
 ## 使用CQRS实现可追溯的文件操作