YangHuOperation/web/users/js/system.js

/**
 * Created by zhang on 2020/1/2.
 */
$(document).ready(function() {
   $("#system_save").click(function () {
       for(let ele of $("input")){
           if(ele.name == "ID") continue;
           if(!isNum($(ele).val())) return alert($(ele).parent().prevAll("legend").text() + $(ele).prev().text()+"输入的数据类型有误，请重新输入！");
       }
       $("form").submit();
   });

   function isNum(thisValue){
       var regPos = /^\d+(\.\d+)?$/; //非负浮点数
       var regNeg = /^(-(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*)))$/; //负浮点数
       return (regPos.test(thisValue) || regNeg.test(thisValue));
   }

});