validator.js.svn-base

用JSP JAVA 做的 系统 只是初来扎到还望西黄！别乱来哦！

	/**
		1.不能为空 empty(name,str) 
		2.只能为数字 num(name,str)
		3.数字之间 nums(name,str,min,max)
	**/ 

	//1.不能为空
	function empty(name,str){
		var va1=document.getElementById(name);
		var va1_1=document.getElementById(name+"_ID");
		if(va1.value.length==0){				
			va1_1.innerHTML="<font color='red'>"+str+"不能为空</font>";
			va1.focus();
			return false;
		}else{
			va1_1.innerHTML="";
		}
	}
	
	//2.只能为数字
	function num(name,str){
		var va2=document.getElementById(name);
		var va2_2=document.getElementById(name+"_ID");
		if(va2.value.search("^-?\\d+(\\.\\d+)?$")!=0){				
			va2_2.innerHTML="<font color='red'>"+str+"只能为数字</font>";
			va2.focus();
			return false;
		}else{
			va2_2.innerHTML="";
		}
	}
	
	//3.数字之间
	function nums(name,str,min,max){
		var va3=document.getElementById(name);
		var va3_3=document.getElementById(name+"_ID");
		if(va3.value<1){
			va3_3.innerHTML="<font color='red'>"+str+"只能在"+min+"~"+max+"之间</font>";
			va3.focus();
			return false;
		}else if(va3.value>100){
			va3_3.innerHTML="<font color='red'>"+str+"只能在"+min+"~"+max+"之间</font>";
			va3.focus();
			return false;
		}
	}