1, first need to import JS package and CSS Package: http://download.csdn.net/detail/l294333475/7816951
2. index.jsp (Test page)
<%@ page language= "java" import= "java.util.*" pageencoding= "UTF-8"%><%string path = Request.getcontextpath () ; String basepath = request.getscheme () + "://" +request.getservername () + ":" +request.getserverport () +path+ "/";%> <! DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" >Validate.js: (Can be modified according to their own requirements)$ (document). Ready (function () {/** * acknowledgement information validation */jquery ("#checkInfoForm"). Validationengine ();/** * Custom Information validation */ JQuery ("#applyForm"). Validationengine ({' custom_error_messages ': {' #txtKeyNum ': {' min ': {' message ': "Please enter at least one electronic key number" }}, ' #fileSeal ': {' required ': {' message ': ' Please upload a stamp image file '}}, ' #fileSign ': {' required ': {' message ': "Please upload a signature image file"}}}) ;
jquery form Validation