增加异常反打实现，避免异常堆栈信息过长

src/main/java/com/chaozhanggui/system/cashierservice/entity/TbCallTable.java

@@ -8,7 +8,7 @@ import java.io.Serializable;
 import java.util.Date;
 
 /**
- * 
+ * 叫号桌型表
  * @TableName tb_call_table
  */
 @TableName(value ="tb_call_table")
@@ -74,6 +74,16 @@ public class TbCallTable implements Serializable {
      */
     private Date updateTime;
 
+    /**
+     * 顺延号码数量
+     */
+    private Integer isPostpone;
+
+    /**
+     * 顺延号码数量
+     */
+    private Integer postponeNum;
+
     @TableField(exist = false)
     private static final long serialVersionUID = 1L;
 
@@ -245,6 +255,34 @@ public class TbCallTable implements Serializable {
         this.updateTime = updateTime;
     }
 
+    /**
+     * 顺延号码数量
+     */
+    public Integer getIsPostpone() {
+        return isPostpone;
+    }
+
+    /**
+     * 顺延号码数量
+     */
+    public void setIsPostpone(Integer isPostpone) {
+        this.isPostpone = isPostpone;
+    }
+
+    /**
+     * 顺延号码数量
+     */
+    public Integer getPostponeNum() {
+        return postponeNum;
+    }
+
+    /**
+     * 顺延号码数量
+     */
+    public void setPostponeNum(Integer postponeNum) {
+        this.postponeNum = postponeNum;
+    }
+
     @Override
     public boolean equals(Object that) {
         if (this == that) {
@@ -268,7 +306,9 @@ public class TbCallTable implements Serializable {
             && (this.getShopId() == null ? other.getShopId() == null : this.getShopId().equals(other.getShopId()))
             && (this.getQrcode() == null ? other.getQrcode() == null : this.getQrcode().equals(other.getQrcode()))
             && (this.getCreateTime() == null ? other.getCreateTime() == null : this.getCreateTime().equals(other.getCreateTime()))
-            && (this.getUpdateTime() == null ? other.getUpdateTime() == null : this.getUpdateTime().equals(other.getUpdateTime()));
+            && (this.getUpdateTime() == null ? other.getUpdateTime() == null : this.getUpdateTime().equals(other.getUpdateTime()))
+            && (this.getIsPostpone() == null ? other.getIsPostpone() == null : this.getIsPostpone().equals(other.getIsPostpone()))
+            && (this.getPostponeNum() == null ? other.getPostponeNum() == null : this.getPostponeNum().equals(other.getPostponeNum()));
     }
 
     @Override
@@ -287,6 +327,8 @@ public class TbCallTable implements Serializable {
         result = prime * result + ((getQrcode() == null) ? 0 : getQrcode().hashCode());
         result = prime * result + ((getCreateTime() == null) ? 0 : getCreateTime().hashCode());
         result = prime * result + ((getUpdateTime() == null) ? 0 : getUpdateTime().hashCode());
+        result = prime * result + ((getIsPostpone() == null) ? 0 : getIsPostpone().hashCode());
+        result = prime * result + ((getPostponeNum() == null) ? 0 : getPostponeNum().hashCode());
         return result;
     }
 
@@ -308,6 +350,8 @@ public class TbCallTable implements Serializable {
         sb.append(", qrcode=").append(qrcode);
         sb.append(", createTime=").append(createTime);
         sb.append(", updateTime=").append(updateTime);
+        sb.append(", isPostpone=").append(isPostpone);
+        sb.append(", postponeNum=").append(postponeNum);
         sb.append(", serialVersionUID=").append(serialVersionUID);
         sb.append("]");
         return sb.toString();

src/main/java/com/chaozhanggui/system/cashierservice/exception/GlobalExceptionHandler.java

@@ -2,6 +2,7 @@ package com.chaozhanggui.system.cashierservice.exception;
 
 
 import com.chaozhanggui.system.cashierservice.sign.Result;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.web.bind.annotation.ControllerAdvice;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.ResponseBody;
@@ -11,6 +12,7 @@ import org.springframework.web.bind.annotation.ResponseBody;
  * ControllerAdvice注解的含义是当异常抛到controller层时会拦截下来
  */
 @ControllerAdvice
+@Slf4j
 public class GlobalExceptionHandler {
 
     /**
@@ -26,6 +28,14 @@ public class GlobalExceptionHandler {
         return Result.fail("系统内部错误");
     }
 
+    @ResponseBody
+    @ExceptionHandler(NotPrintException.class)
+    public Result exceptionNotPrint(Exception e) {
+        log.warn("获取到不打印堆栈异常, 异常信息: {}", e.getMessage());
+        // 返回错误格式信息
+        return Result.fail(e.getMessage());
+    }
+
     /**
      * 使用ExceptionHandler注解声明处理TestException异常
      *

src/main/java/com/chaozhanggui/system/cashierservice/util/Utils.java

@@ -21,7 +21,7 @@ public class Utils {
     public static <T> void catchErrNoReturn(Supplier<T> supplier) {
         try {
             supplier.get();
-        }catch (Exception e) {
+        } catch (Exception e) {
             log.error("执行方法出现异常", e);
         }
     }
@@ -47,8 +47,8 @@ public class Utils {
         }
     }
 
-    public static<T> T runFunAndCheckKey(Supplier<T> supplier, StringRedisTemplate redisTemplate, String lockKey) {
+    public static <T> T runFunAndCheckKey(Supplier<T> supplier, StringRedisTemplate redisTemplate, String lockKey) {
-        try{
+        try {
             // 创建线程id, 用作判断
             String clientId = UUID.randomUUID().toString();
             // 设置分布式锁
@@ -62,12 +62,12 @@ public class Utils {
                 lock = Boolean.TRUE.equals(redisTemplate.opsForValue().setIfAbsent(lockKey, clientId, 30, TimeUnit.MILLISECONDS));
             }
             return supplier.get();
-        } catch (RuntimeException e){
+        } catch (RuntimeException e) {
             log.info("执行出错：{}", e.getMessage());
             throw e;
         } catch (InterruptedException e) {
             throw new RuntimeException(e);
-        } finally{
+        } finally {
             redisTemplate.delete(lockKey);
         }
     }
@@ -110,11 +110,11 @@ public class Utils {
     }
 
     public static void checkValueUnReturn(Object data, String msg, Func0<?>... errFunc) {
-        if(data == null) {
+        if (data == null) {
             throw new MsgException(msg);
         }
 
-        if (data instanceof String && StrUtil.isBlank((String)data)) {
+        if (data instanceof String && StrUtil.isBlank((String) data)) {
             throw new MsgException(msg);
         }
         if (ObjectUtil.isEmpty(data)) {
@@ -128,4 +128,48 @@ public class Utils {
             throw new MsgException(msg);
         }
     }
+
+    public static void doPrintStack(Throwable t, int stackDepth, StringBuilder sb) {
+        StackTraceElement[] stackTraceElements = t.getStackTrace();
+        if (sb.lastIndexOf("\t") > -1) {
+            sb.deleteCharAt(sb.length() - 1);
+            sb.append("Caused: ");
+        }
+        sb.append(t.getClass().getName()).append(": ").append(t.getMessage()).append("\n\t");
+        for (int i = 0; i < stackDepth; ++i) {
+            if (i >= stackTraceElements.length) {
+                break;
+            }
+            StackTraceElement element = stackTraceElements[i];
+            sb.append(element.getClassName()).append("#").append(element.getMethodName()).append(":").append(element.getLineNumber()).append("\n\t");
+        }
+    }
+
+    /**
+     * 递归逆向打印堆栈及cause(即从最底层的异常开始往上打)
+     * @param t 原始异常 *
+     * @param causeDepth 需要递归打印的cause的最大深度 *
+     * @param counter 当前打印的cause的深度计数器(这里必须用引用类型，如果用基本数据类型，你对计数器的修改只能对当前栈帧可见，但是这个计数器，又必须在所有栈帧中可见，所以只能用引用类型) *
+     * @param stackDepth 每一个异常栈的打印深度 *
+     * @param sb 字符串构造器
+     */
+    public static void recursiveReversePrintStackCause(Throwable t, int causeDepth, ForwardCounter counter, int stackDepth, StringBuilder sb) {
+        if (t == null) {
+            return;
+        }
+        if (t.getCause() != null) {
+            recursiveReversePrintStackCause(t.getCause(), causeDepth, counter, stackDepth, sb);
+        }
+        if (counter.i++ < causeDepth) {
+            doPrintStack(t, stackDepth, sb);
+        }
+    }
+
+    public static class ForwardCounter {
+        private Integer i;
+
+        public ForwardCounter(Integer i) {
+            this.i = i;
+        }
+    }
 }