修复文档部分错误之处

sa-token-demo-springboot/src/main/java/com/pj/satoken/MySaTokenConfig.java

@@ -2,7 +2,7 @@ package com.pj.satoken;
 
 import org.springframework.context.annotation.Configuration;
 import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
-import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
 import cn.dev33.satoken.annotation.SaCheckInterceptor;
 
@@ -10,7 +10,7 @@ import cn.dev33.satoken.annotation.SaCheckInterceptor;
  * sa-token代码方式进行配置
  */
 @Configuration
-public class MySaTokenConfig extends WebMvcConfigurationSupport {
+public class MySaTokenConfig implements WebMvcConfigurer {
 
 	// 获取配置Bean (以代码的方式配置sa-token)
 //	@Primary

sa-token-demo-springboot/src/main/java/com/pj/test/AjaxJson.java

@@ -5,7 +5,7 @@ import java.util.List;
 
 
 /**
- * ajax返回Json的封装 
+ * ajax请求返回Json格式数据的封装 
  */
 public class AjaxJson implements Serializable{
 
@@ -21,7 +21,7 @@ public class AjaxJson implements Serializable{
 	public int code; 	// 状态码
 	public String msg; 	// 描述信息 
 	public Object data; // 携带对象
-	public Long dataCount;	// 数据总数 
+	public Long dataCount;	// 数据总数，用于分页 
 	
 	/**
 	 * 返回code  

sa-token-demo-springboot/src/main/java/com/pj/test/GlobalException.java

@@ -9,16 +9,14 @@ import org.springframework.web.bind.annotation.ControllerAdvice;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.ModelAttribute;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
-
 import cn.dev33.satoken.exception.NotLoginException;
 import cn.dev33.satoken.exception.NotPermissionException;
 
 /**
- * 加强版控制器
+ * 全局异常处理 
  */
 @ControllerAdvice // 可指定包前缀，比如：(basePackages = "com.pj.admin")
-public class TopController {
+public class GlobalException {
 
 	// 在每个控制器之前触发的操作
 	@ModelAttribute
@@ -28,7 +26,7 @@ public class TopController {
 
 	// 全局异常拦截（拦截项目中的所有异常）
 	@ExceptionHandler
-	public void handlerException(Exception e, HttpServletRequest request, HttpServletResponse response)
+	public AjaxJson handlerException(Exception e, HttpServletRequest request, HttpServletResponse response)
 			throws Exception {
 
 		// 打印堆栈，以供调试
@@ -44,10 +42,13 @@ public class TopController {
 		} else {	// 普通异常, 输出：500 + 异常信息
 			aj = AjaxJson.getError(e.getMessage());
 		}
+		
+		// 返回给前端
+		return aj;
 
 		// 输出到客户端 
-		response.setContentType("application/json; charset=utf-8"); // http说明，我要返回JSON对象
-		response.getWriter().print(new ObjectMapper().writeValueAsString(aj));
+//		response.setContentType("application/json; charset=utf-8"); // http说明，我要返回JSON对象
+//		response.getWriter().print(new ObjectMapper().writeValueAsString(aj));
 	}
 
 }

sa-token-demo-springboot/src/main/java/com/pj/test/TestController.java

@@ -102,8 +102,8 @@ public class TestController {
 	
 	@SaCheckLogin						// 注解式鉴权：当前会话必须登录才能通过 
 	@RequestMapping("getInfo")
-	public String getInfo() {
-		return "用户信息";
+	public AjaxJson getInfo() {
+		return AjaxJson.getSuccessData("用户信息");
 	}
 	
 }