检测函数增加

yzg-util-base/src/main/java/com/yanzuoguang/util/helper/CheckerHelper.java

@@ -25,6 +25,9 @@ public final class CheckerHelper {
 
     public static final String PARAM_NOT_PHONE = "param [%s] must be phone no";
     public static final String PARAM_NOT_ID_CARD = "param [%s] must be id card";
+    public static final String PARAM_NOT_MIN = "param [%s] must be big %d";
+    public static final String PARAM_NOT_MAX = "param [%s] must be max %d";
+    public static final String PARAM_NOT_RANGE = "param [%s] must be range %d and %d";
 
     private boolean isValid = true;
     private String checkResult;
@@ -278,6 +281,75 @@ public final class CheckerHelper {
         return this;
     }
 
+    /**
+     * 检测最小值是否大于等于0，默认为0
+     *
+     * @param paramName 参数名称
+     * @param paramVal  参数值
+     * @return
+     */
+    public CheckerHelper checkMin(String paramName, int paramVal) {
+        return checkMin(paramName, 0, paramVal);
+    }
+
+    /**
+     * 检测最小值是否大于等于0，默认为0
+     *
+     * @param paramName 参数名称
+     * @param paramVal  参数值
+     * @param min       最小值
+     * @return
+     */
+    public CheckerHelper checkMin(String paramName, int min, int paramVal) {
+        if (!isValid()) {
+            return this;
+        }
+        if (paramVal < min) {
+            this.checkResult = String.format(PARAM_NOT_MIN, min, paramName);
+            this.setValid(false);
+        }
+        return this;
+    }
+
+    /**
+     * 检测最大值
+     *
+     * @param paramName 参数名称
+     * @param paramVal  参数值
+     * @param max       最大值
+     * @return
+     */
+    public CheckerHelper checkMax(String paramName, int max, int paramVal) {
+        if (!isValid()) {
+            return this;
+        }
+        if (paramVal > max) {
+            this.checkResult = String.format(PARAM_NOT_MAX, max, paramName);
+            this.setValid(false);
+        }
+        return this;
+    }
+
+    /**
+     * 检测最大值
+     *
+     * @param paramName 参数名称
+     * @param paramVal  参数值
+     * @param min       最小值
+     * @param max       最大值
+     * @return
+     */
+    public CheckerHelper checkRange(String paramName, int min, int max, int paramVal) {
+        if (!isValid()) {
+            return this;
+        }
+        if (paramVal > max || paramVal < min) {
+            this.checkResult = String.format(PARAM_NOT_RANGE, min, max, paramName);
+            this.setValid(false);
+        }
+        return this;
+    }
+
     /**
      * 检测结果是否异常
      */