[摘要]" + "\n" +"document."+formName+"."+inputName+".value.indexO... " + "\n" +
"document."+formName+"."+inputName+".value.indexOf(\""+string+"\") != -1) {" + "\n" +
"alert(\""+errorMsg+".\");" + "\n" +
"document."+formName+"."+inputName+".focus();" + "\n" +
"return(false);" + "\n" +
"}" + "\n\n";
}
/***************************************************************************\
*public: check the YYYY-MM-DD format date
*检查录入框值是否是YYYY-MM-DD的日期格式
\***************************************************************************/
public void dateCheck(String inputName, String errorMsg){
this.errorCheckStr +=
"if(chkdate(document."+formName+"."+inputName+".value) == 0) {" + "\n" +
"alert(\""+errorMsg+".\");" + "\n" +
"document."+formName+"."+inputName+".focus();" + "\n" +
"return(false);" + "\n" +
"}" + "\n\n";
}
public void neededFunction(){
this.errorCheckStr +=
"//函数名：fucCheckNUM" + "\n" +
"//功能介绍：检查是否为数字" + "\n" +
"//参数说明：要检查的数字" + "\n" +
"//返回值：1为是数字，0为不是数字" + "\n" +
"function fucCheckNUM(NUM) {" + "\n" +
"var i,j,strTemp;" + "\n" +
"strTemp=\"0123456789\";" + "\n" +
"if ( NUM.length == 0) return 0;" + "\n" +
"for (i=0;i<NUM.length;i++){" + "\n" +
"j = strTemp.indexOf(NUM.charAt(i));" + "\n" +
"if (j==-1) {" + "\n" +
"//说明有字符不是数字" + "\n" +
"return 0;" + "\n" +
"}" + "\n" +
"}" + "\n" +
"//说明是数字" + "\n" +
"return 1;" + "\n" +
"}" + "\n\n" +
"//函数名：fucCheckLength" + "\n" +
"//功能介绍：检查字符串的长度" + "\n" +
"//参数说明：要检查的字符串" + "\n" +
"//返回值：长度值" + "\n" +
"function fucCheckLength(strTemp) {" + "\n" +
"var i,sum;" + "\n" +
"sum=0;" + "\n" +
"for(i=0;i<strTemp.length;i++) {" + "\n" +
"if ((strTemp.charCodeAt(i)>=0) && (strTemp.charCodeAt(i)<=255))" + "\n" +
"sum=sum+1;" + "\n" +
"else" + "\n" +
"sum=sum+2;" + "\n" +
"}" + "\n" +
"return sum;" + "\n" +
"}" + "\n\n" +
"//函数名：chkemail" + "\n" +
"//功能介绍：检查是否为Email Address" + "\n" +
"//参数说明：要检查的字符串" + "\n" +
"//返回值：0：不是1：是" + "\n" +
"function chkemail(a){" + "\n" +
"var i=a.length;" + "\n" +
"var temp = a.indexOf('@');" + "\n" +
"var tempd = a.indexOf('.');" + "\n" +
"if (temp > 1) {" + "\n" +
"if ((i-temp) > 3) {" + "\n" +
"if (tempd!=-1) {" + "\n" +
"return 1;" + "\n" +
"}" + "\n" +
"}" + "\n" +
"}" + "\n" +
"return 0;" + "\n" +
"}" + "\n\n" +
"//函数名：fucCheckTEL" + "\n" +
"//功能介绍：检查是否为电话号码" + "\n" +
"//参数说明：要检查的字符串" + "\n" +
"//返回值：1为是合法，0为不合法" + "\n" +
"function fucCheckTEL(TEL) {" + "\n" +
"var i,j,strTemp;" + "\n" +
"strTemp=\"0123456789-()#\";" + "\n" +
"if (TEL.length == 0) return 0;" + "\n" +
"for (i=0;i<TEL.length;i++) {" + "\n" +
"j=strTemp.indexOf(TEL.charAt(i));" + "\n" +
"if (j==-1) {" + "\n" +
"//说明有字符不合法" + "\n" +
"return 0;" + "\n" +
"}" + "\n" +
"}" + "\n" +
"//说明合法" + "\n" +
"return 1;" + "\n" +
"}" + "\n\n" +
"//函数名：chkdate(YYYY-MM-DD)" + "\n" +
"//功能介绍：检查是否为日期" + "\n" +
"//参数说明：要检查的字符串" + "\n" +
"//返回值：0：不是日期1：是日期" + "\n" +
"function chkdate(datestr) {" + "\n" +
"var lthdatestr" + "\n" +
"if (datestr != \"\")" + "\n" +
"lthdatestr= datestr.length ;" + "\n" +
"else" + "\n" +
"lthdatestr=0;" + "\n" +
"var tmpy=\"\";" + "\n" +
"var tmpm=\"\";" + "\n" +
"var tmpd=\"\";" + "\n" +
"//var datestr;" + "\n" +
"var status;" + "\n" +
"status=0;" + "\n" +
"if ( lthdatestr== 0)" + "\n" +
"return 0;" + "\n" +
"for (i=0;i<lthdatestr;i++) {" + "\n" +
"if (datestr.charAt(i)== '-') {" + "\n" +
"status++;" + "\n" +
"}" + "\n" +
"if (status>2) {" + "\n" +
"return 0;" + "\n" +
"}" + "\n" +
"if ((status==0) && (datestr.charAt(i)!='-')) {" + "\n" +
"tmpy=tmpy+datestr.charAt(i)" + "\n" +
"}" + "\n" +
"if ((status==1) && (datestr.charAt(i)!='-')) {" + "\n" +
"tmpm=tmpm+datestr.charAt(i)" + "\n" +
"}" + "\n" +
"if ((status==2) && (datestr.charAt(i)!='-')) {" + "\n" +
"tmpd=tmpd+datestr.charAt(i)" + "\n" +
"}" + "\n" +
"}" + "\n" +
"year=new String (tmpy);" + "\n" +
"month=new String (tmpm);" + "\n" +
"day=new String (tmpd)" + "\n" +
"if ((tmpy.length!=4) |
关键词： 用 JSP 在客户端生成 JavaScript 代码来完成表单校验