446 lines
15 KiB
JavaScript
446 lines
15 KiB
JavaScript
function cronValidate(cronExpression ){
|
||
//返回错误信息用
|
||
var message = '';
|
||
//先将cron表达式进行分割
|
||
var cronParams = cronExpression.split(" ");
|
||
//判断cron表达式是否具有该具有的属性长度，没有年份的长度为6，带年份的长度为7，其他情况都是错误的
|
||
if (cronParams.length < 6 || cronParams.length > 7) {
|
||
return "cron表达式需要输入6-7位参数，请重新输入";
|
||
}else{
|
||
//日和周必须有一个为?，或者全为*
|
||
if((cronParams[3] == "?" && cronParams[5] != "?") || (cronParams[5] == "?" && cronParams[3] != "?") || (cronParams[3] == "*" && cronParams[5] == "*")){
|
||
//检查第一位的秒是否正确
|
||
message = checkSecondsField(cronParams[0]);
|
||
if (message != true) {
|
||
return message;
|
||
}
|
||
|
||
//检查第二位的分是否正确
|
||
message = checkMinutesField(cronParams[1]);
|
||
if (message != true) {
|
||
return message;
|
||
}
|
||
|
||
//检查第三位的时是否正确
|
||
message = checkHoursField(cronParams[2]);
|
||
if (message != true) {
|
||
return message;
|
||
}
|
||
|
||
//检查第四位的日是否正确
|
||
message = checkDayOfMonthField(cronParams[3]);
|
||
if (message != true) {
|
||
return message;
|
||
}
|
||
|
||
//检查第五位的月是否正确
|
||
message = checkMonthsField(cronParams[4]);
|
||
if (message != true) {
|
||
return message;
|
||
}
|
||
|
||
//检查第6位的周是否正确
|
||
message = checkDayOfWeekField(cronParams[5]);
|
||
if (message != true) {
|
||
return message;
|
||
}
|
||
|
||
//检查第七位的年是否正确
|
||
if(cronParams.length>6){
|
||
message = checkYearField(cronParams[6]);
|
||
if (message != true) {
|
||
return message;
|
||
}
|
||
}
|
||
|
||
|
||
return true;
|
||
}else{
|
||
return "指定日时周必须设为不指定(?),指定周时日必须设为不指定(?)"
|
||
}
|
||
}
|
||
}
|
||
|
||
//检查秒的函数方法
|
||
function checkSecondsField(secondsField) {
|
||
return checkField(secondsField, 0, 59, "秒");
|
||
}
|
||
|
||
//检查分的函数方法
|
||
function checkMinutesField(minutesField) {
|
||
return checkField(minutesField, 0, 59, "分");
|
||
}
|
||
|
||
//检查小时的函数方法
|
||
function checkHoursField(hoursField) {
|
||
return checkField(hoursField, 0, 23, "时");
|
||
}
|
||
|
||
//检查日期的函数方法
|
||
function checkDayOfMonthField(dayOfMonthField) {
|
||
if (dayOfMonthField == "?") {
|
||
return true;
|
||
}
|
||
if (dayOfMonthField.indexOf("L") >= 0) {
|
||
return checkFieldWithLetter(dayOfMonthField, "L", 1, 7, "日");
|
||
} else if ( dayOfMonthField.indexOf("W") >= 0) {
|
||
return checkFieldWithLetter(dayOfMonthField, "W", 1, 31, "日");
|
||
} else if (dayOfMonthField.indexOf("C") >= 0) {
|
||
return checkFieldWithLetter(dayOfMonthField, "C", 1, 31, "日");
|
||
}
|
||
return checkField( dayOfMonthField, 1, 31, "日");
|
||
}
|
||
|
||
//检查月份的函数方法
|
||
function checkMonthsField(monthsField) {
|
||
//月份简写处理
|
||
if(monthsField != "*"){
|
||
monthsField=monthsField.replace("JAN", "1");
|
||
monthsField=monthsField.replace("FEB", "2");
|
||
monthsField=monthsField.replace("MAR", "3");
|
||
monthsField=monthsField.replace("APR", "4");
|
||
monthsField=monthsField.replace("MAY", "5");
|
||
monthsField=monthsField.replace("JUN", "6");
|
||
monthsField=monthsField.replace("JUL", "7");
|
||
monthsField=monthsField.replace("AUG", "8");
|
||
monthsField=monthsField.replace("SEP", "9");
|
||
monthsField=monthsField.replace("OCT", "10");
|
||
monthsField=monthsField.replace("NOV", "11");
|
||
monthsField=monthsField.replace("DEC", "12");
|
||
return checkField(monthsField, 1, 12, "月份");
|
||
}else{
|
||
return true;
|
||
}
|
||
|
||
}
|
||
|
||
//星期验证
|
||
function checkDayOfWeekField(dayOfWeekField) {
|
||
dayOfWeekField=dayOfWeekField.replace("SUN", "1" );
|
||
dayOfWeekField=dayOfWeekField.replace("MON", "2" );
|
||
dayOfWeekField=dayOfWeekField.replace("TUE", "3" );
|
||
dayOfWeekField=dayOfWeekField.replace("WED", "4" );
|
||
dayOfWeekField=dayOfWeekField.replace("THU", "5" );
|
||
dayOfWeekField=dayOfWeekField.replace("FRI", "6" );
|
||
dayOfWeekField=dayOfWeekField.replace("SAT", "7" );
|
||
if (dayOfWeekField == "?") {
|
||
return true;
|
||
}
|
||
if (dayOfWeekField.indexOf("L") >= 0) {
|
||
return checkFieldWithLetterWeek(dayOfWeekField, "L", 1, 7, "星期");
|
||
} else if (dayOfWeekField.indexOf("C") >= 0) {
|
||
return checkFieldWithLetterWeek(dayOfWeekField, "C", 1, 7, "星期");
|
||
} else if (dayOfWeekField.indexOf("#") >= 0) {
|
||
return checkFieldWithLetterWeek(dayOfWeekField, "#", 1, 7, "星期");
|
||
} else {
|
||
return checkField(dayOfWeekField, 1, 7, "星期");
|
||
}
|
||
}
|
||
|
||
//检查年份的函数方法
|
||
function checkYearField(yearField) {
|
||
return checkField(yearField, 1970, 2099, "年的");
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
//通用的检查值的大小范围的方法( - , / *)
|
||
function checkField(value, minimal, maximal, attribute) {
|
||
//校验值中是否有“-”，如果有“-”的话，下标会>0
|
||
if (value.indexOf("-") > -1 ) {
|
||
return checkRangeAndCycle(value, minimal, maximal,attribute);
|
||
}
|
||
//校验值中是否有“，”，如果有“,”的话，下标会>0
|
||
else if (value.indexOf(",") > -1) {
|
||
return checkListField(value, minimal, maximal,attribute);
|
||
}
|
||
//校验值中是否有“/”，如果有“/”的话，下标会>0
|
||
else if (value.indexOf( "/" ) > -1) {
|
||
return checkIncrementField( value, minimal, maximal ,attribute);
|
||
}
|
||
//校验值是否为“*”
|
||
else if (value=="*") {
|
||
return true;
|
||
}
|
||
//校验单独的数字，英文字母，以及各种神奇的符号等...
|
||
else {
|
||
return checkIntValue(value, minimal, maximal,true, attribute);
|
||
}
|
||
}
|
||
|
||
|
||
//检测是否是整数以及是否在范围内,参数：检测的值，下限，上限，是否检查端点，检查的属性
|
||
function checkIntValue(value, minimal, maximal, checkExtremity,attribute) {
|
||
try {
|
||
//用10进制犯法来进行整数转换
|
||
var val = parseInt(value, 10);
|
||
if (value == val) {
|
||
if (checkExtremity) {
|
||
if (val < minimal || val > maximal) {
|
||
return (attribute+"的参数取值范围必须在"+ minimal + "-" + maximal +"之间");
|
||
}
|
||
return true;
|
||
}
|
||
return true;
|
||
}
|
||
return (attribute+"的参数存在非法字符，必须为整数或允许的大写英文");
|
||
} catch (e) {
|
||
return (attribute+"的参数有非法字符，必须是整数~")
|
||
}
|
||
}
|
||
//检验枚举类型的参数是否正确
|
||
function checkListField(value, minimal, maximal,attribute) {
|
||
var st = value.split(",");
|
||
var values = new Array(st.length);
|
||
//计算枚举的数字在数组中中出现的次数，出现一次为没有重复的。
|
||
var count=0;
|
||
for(var j = 0; j < st.length; j++) {
|
||
values[j] = st[j];
|
||
}
|
||
//判断枚举类型的值是否重复
|
||
for(var i=0;i<values.length;i++){
|
||
//判断枚举的值是否在范围内
|
||
message = checkIntValue(values[i], minimal, maximal, true, attribute);
|
||
if (message!=true) {
|
||
return message;
|
||
}
|
||
count=0;
|
||
for(var j=0;j<values.length;j++){
|
||
if(values[i]==values[j])
|
||
{
|
||
count++;
|
||
}
|
||
if(count>1){
|
||
return (attribute+"中的参数重复");
|
||
}
|
||
}
|
||
}
|
||
var previousValue = -1;
|
||
//判断枚举的值是否排序正确
|
||
for (var i= 0; i < values.length; i++) {
|
||
var currentValue = values[i];
|
||
try {
|
||
var val = parseInt(currentValue, 10);
|
||
if (val < previousValue) {
|
||
return (attribute+"的参数应该从小到大");
|
||
} else {
|
||
previousValue = val;
|
||
}
|
||
} catch (e) {
|
||
//前面验证过了，这边的代码不可能跑到
|
||
return ("这段提示用不到")
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
//检验循环
|
||
function checkIncrementField(value, minimal, maximal, attribute) {
|
||
if(value.split("/").length>2){
|
||
return (attribute + "中的参数只能有一个'/'");
|
||
}
|
||
var start = value.substring(0, value.indexOf("/"));
|
||
var increment = value.substring(value.indexOf("/") + 1);
|
||
if (start != "*") {
|
||
//检验前值是否正确
|
||
message = checkIntValue(start, minimal, maximal, true, attribute);
|
||
if(message != true){
|
||
return message;
|
||
}
|
||
//检验后值是否正确
|
||
message = checkIntValue(increment, minimal, maximal, true, attribute);
|
||
if(message != true){
|
||
return message;
|
||
}
|
||
return true;
|
||
} else {
|
||
//检验后值是否正确
|
||
return checkIntValue(increment, minimal, maximal, false, attribute);
|
||
}
|
||
}
|
||
|
||
//检验范围
|
||
function checkRangeAndCycle(params, minimal, maximal, attribute){
|
||
//校验“-”符号是否只有一个
|
||
if(params.split("-").length>2){
|
||
return (attribute + "中的参数只能有一个'-'");
|
||
}
|
||
var value = null;
|
||
var cycle = null;
|
||
//检验范围内是否有嵌套周期
|
||
if(params.indexOf("/") > -1){
|
||
//校验“/”符号是否只有一个
|
||
if(params.split("/").length>2){
|
||
return (attribute + "中的参数只能有一个'/'");
|
||
}
|
||
value = params.split("/")[0];
|
||
cycle = params.split("/")[1];
|
||
//判断循环的参数是否正确
|
||
message =checkIntValue(cycle, minimal, maximal, true, attribute);
|
||
if (message!=true) {
|
||
return message;
|
||
}
|
||
}else{
|
||
value = params;
|
||
}
|
||
var startValue = value.substring(0, value.indexOf( "-" ));
|
||
var endValue = value.substring(value.indexOf( "-" ) + 1);
|
||
//判断参数范围的第一个值是否正确
|
||
message =checkIntValue(startValue, minimal, maximal, true, attribute);
|
||
if (message!=true) {
|
||
return message;
|
||
}
|
||
//判断参数范围的第二个值是否正确
|
||
message =checkIntValue(endValue, minimal, maximal, true, attribute);
|
||
if(message!=true){
|
||
return message;
|
||
}
|
||
//判断参数的范围前值是否小于后值
|
||
try {
|
||
var startVal = parseInt(startValue, 10);
|
||
var endVal = parseInt(endValue, 10);
|
||
if(endVal < startVal){
|
||
return (attribute+"的取值范围错误，前值必须小于后值");
|
||
}
|
||
if((endVal-startVal)<parseInt(cycle,10)){
|
||
return (attribute+"的取值范围内的循环无意义");
|
||
}
|
||
return true;
|
||
} catch (e) {
|
||
//用不到这行代码的
|
||
return (attribute+"的参数有非法字符，必须是整数");
|
||
}
|
||
}
|
||
|
||
//检查日中的特殊字符
|
||
function checkFieldWithLetter(value, letter, minimalBefore, maximalBefore,attribute) {
|
||
//判断是否只有一个字母
|
||
for(var i=0;i<value.length;i++){
|
||
var count = 0;
|
||
if(value.charAt(i)==letter){
|
||
count++;
|
||
}
|
||
if(count>1){
|
||
return (attribute+"的值的"+letter+"字母只能有一个")
|
||
}
|
||
}
|
||
//校验L
|
||
if(letter == "L"){
|
||
if(value == "LW"){
|
||
return true;
|
||
}
|
||
if(value=="L"){
|
||
return true;
|
||
}
|
||
if(value.endsWith("LW")&&value.length>2)
|
||
{
|
||
return (attribute + "中的参数，最后的LW前面不能有任何字母参数")
|
||
}
|
||
if(!value.endsWith("L"))
|
||
{
|
||
return (attribute + "中的参数，L字母后面不能有W以外的字符、数字等")
|
||
}else{
|
||
var num = value.substring(0,value.indexOf(letter));
|
||
return checkIntValue(num, minimalBefore, maximalBefore, true, attribute);
|
||
}
|
||
}
|
||
|
||
//校验W
|
||
if(letter == "W"){
|
||
if(!value.endsWith("W")){
|
||
return (attribute + "中的参数的W必须作为结尾")
|
||
}else{
|
||
if(value=="W"){
|
||
return (attribute + "中的参数的W前面必须有数字")
|
||
}
|
||
var num = value.substring(0,value.indexOf(letter));
|
||
return checkIntValue(num, minimalBefore, maximalBefore, true, attribute);
|
||
}
|
||
}
|
||
|
||
if(letter == "C"){
|
||
if(!value.endsWith("C")){
|
||
return (attribute + "中的参数的C必须作为结尾")
|
||
}else{
|
||
if(value=="C"){
|
||
return (attribute + "中的参数的C前面必须有数字")
|
||
}
|
||
var num = value.substring(0,value.indexOf(letter));
|
||
return checkIntValue(num, minimalBefore, maximalBefore, true, attribute);
|
||
}
|
||
}
|
||
}
|
||
|
||
//检查星期中的特殊字符
|
||
function checkFieldWithLetterWeek(value, letter, minimalBefore, maximalBefore,attribute) {
|
||
//判断是否只有一个字母
|
||
for(var i=0;i<value.length;i++){
|
||
var count = 0;
|
||
if(value.charAt(i)==letter){
|
||
count++;
|
||
}
|
||
if(count>1){
|
||
return (attribute+"的值的"+letter+"字母只能有一个")
|
||
}
|
||
}
|
||
//校验L
|
||
if(letter == "L"){
|
||
if(value=="L"){
|
||
return true;
|
||
}
|
||
if(!value.endsWith("L"))
|
||
{
|
||
return (attribute + "中的参数，L字母必须是最后一位")
|
||
}else{
|
||
var num = value.substring(0,value.indexOf(letter));
|
||
return checkIntValue(num, minimalBefore, maximalBefore, true, attribute);
|
||
}
|
||
}
|
||
|
||
if(letter == "C"){
|
||
if(!value.endsWith("C")){
|
||
return (attribute + "中的参数的C必须作为结尾")
|
||
}else{
|
||
if(value=="C"){
|
||
return (attribute + "中的参数的C前面必须有数字")
|
||
}
|
||
var num = value.substring(0,value.indexOf(letter));
|
||
return checkIntValue(num, minimalBefore, maximalBefore, true, attribute);
|
||
}
|
||
}
|
||
|
||
if(letter == "#"){
|
||
if(value=="#"){
|
||
return (attribute + "中的#前后必须有整数");
|
||
}
|
||
if(value.charAt(0)==letter){
|
||
return (attribute + "中的#前面必须有整数")
|
||
}
|
||
if(value.endsWith("#")){
|
||
return (attribute + "中的#后面必须有整数")
|
||
}
|
||
var num1 = value.substring(0,value.indexOf(letter));
|
||
var num2 = value.substring(value.indexOf(letter)+1,value.length)
|
||
message = checkIntValue(num1, 1, 4, true, (attribute+"的#前面"));
|
||
if(message!=true){
|
||
return message;
|
||
}
|
||
message = checkIntValue(num2, minimalBefore, maximalBefore, true, (attribute+"的#后面"));
|
||
if(message!=true){
|
||
return message;
|
||
}
|
||
return true;
|
||
}
|
||
}
|
||
|
||
function IsURL (str_url) {
|
||
var Expression=/http(s)?:\/\/([\w-]+\.)+[\w-]+(\/[\w- .\/?%&=]*)?/;
|
||
var objExp=new RegExp(Expression);
|
||
if(objExp.test(str_url)==true){
|
||
return true;
|
||
}else{
|
||
return false;
|
||
}
|
||
} |