税金，甲供

src/main/webapp/webpage/modules/sg/project/withholdForm.js

@@ -139,12 +139,18 @@
             }
             if(fee == ''){
                 fee = null
+            }else{
+                judge(fee,'诚信扣款');
             }
             if(materialOffset == ''){
                 materialOffset = null;
+            }else{
+                judge(materialOffset,'扣抵工程款');
             }
             if(taxDeductions == ''){
                 taxDeductions = null;
+            }else{
+                judge(taxDeductions,'税额扣减');
             }
             nameString += unitType+",";
             nameString1 += fee+",";
@@ -156,8 +162,6 @@
         var materialStrings = materialString.substring(5,materialString.length);
         var taxStrings= taxString.substring(5,taxString.length);
         var ids = str.substring(0,str.length-1);
-        alert(taxStrings);
-        throw SyntaxError;
         $.ajax({
         type:"post",
         url:"${ctx}/project/withhold",
@@ -170,6 +174,15 @@
     });
 }
 
-
+function judge(value,name){
+    if(isNaN(value)){ //判断输入是否是数字
+        layer.msg(name+':请输入有效数字',{icon: 5,offset:['40%','40%']});
+        throw SyntaxError;
+    }
+        if(value<0){
+        layer.msg(name+'不能为负数',{icon: 5,offset:['40%','40%']});
+        throw SyntaxError;
+    }
+}
 
 </script>