446 lines
15 KiB
JavaScript
446 lines
15 KiB
JavaScript
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function cronValidate(cronExpression ){
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//返回错误信息用
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var message = '';
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//先将cron表达式进行分割
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var cronParams = cronExpression.split(" ");
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//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
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if (cronParams.length < 6 || cronParams.length > 7) {
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return "cron表达式需要输入6-7位参数，请重新输入";
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}else{
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//日和周必须有一个为?，或者全为*
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if((cronParams[3] == "?" && cronParams[5] != "?") || (cronParams[5] == "?" && cronParams[3] != "?") || (cronParams[3] == "*" && cronParams[5] == "*")){
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//检查第一位的秒是否正确
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message = checkSecondsField(cronParams[0]);
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if (message != true) {
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return message;
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}
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//检查第二位的分是否正确
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message = checkMinutesField(cronParams[1]);
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if (message != true) {
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return message;
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}
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//检查第三位的时是否正确
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message = checkHoursField(cronParams[2]);
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if (message != true) {
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return message;
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}
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//检查第四位的日是否正确
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message = checkDayOfMonthField(cronParams[3]);
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if (message != true) {
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return message;
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}
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//检查第五位的月是否正确
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message = checkMonthsField(cronParams[4]);
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if (message != true) {
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return message;
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}
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//检查第6位的周是否正确
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message = checkDayOfWeekField(cronParams[5]);
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if (message != true) {
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return message;
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}
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//检查第七位的年是否正确
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if(cronParams.length>6){
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message = checkYearField(cronParams[6]);
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if (message != true) {
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return message;
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}
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}
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return true;
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}else{
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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(?)"
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}
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}
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}
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//检查秒的函数方法
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function checkSecondsField(secondsField) {
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return checkField(secondsField, 0, 59, "秒");
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}
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//检查分的函数方法
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function checkMinutesField(minutesField) {
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return checkField(minutesField, 0, 59, "分");
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}
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//检查小时的函数方法
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function checkHoursField(hoursField) {
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return checkField(hoursField, 0, 23, "时");
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}
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//检查日期的函数方法
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function checkDayOfMonthField(dayOfMonthField) {
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if (dayOfMonthField == "?") {
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return true;
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}
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if (dayOfMonthField.indexOf("L") >= 0) {
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return checkFieldWithLetter(dayOfMonthField, "L", 1, 7, "日");
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} else if ( dayOfMonthField.indexOf("W") >= 0) {
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return checkFieldWithLetter(dayOfMonthField, "W", 1, 31, "日");
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} else if (dayOfMonthField.indexOf("C") >= 0) {
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return checkFieldWithLetter(dayOfMonthField, "C", 1, 31, "日");
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}
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return checkField( dayOfMonthField, 1, 31, "日");
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}
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//检查月份的函数方法
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function checkMonthsField(monthsField) {
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//月份简写处理
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if(monthsField != "*"){
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monthsField=monthsField.replace("JAN", "1");
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monthsField=monthsField.replace("FEB", "2");
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monthsField=monthsField.replace("MAR", "3");
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monthsField=monthsField.replace("APR", "4");
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monthsField=monthsField.replace("MAY", "5");
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monthsField=monthsField.replace("JUN", "6");
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monthsField=monthsField.replace("JUL", "7");
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monthsField=monthsField.replace("AUG", "8");
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monthsField=monthsField.replace("SEP", "9");
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monthsField=monthsField.replace("OCT", "10");
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monthsField=monthsField.replace("NOV", "11");
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monthsField=monthsField.replace("DEC", "12");
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return checkField(monthsField, 1, 12, "月份");
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}else{
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return true;
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}
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}
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//星期验证
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function checkDayOfWeekField(dayOfWeekField) {
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dayOfWeekField=dayOfWeekField.replace("SUN", "1" );
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dayOfWeekField=dayOfWeekField.replace("MON", "2" );
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dayOfWeekField=dayOfWeekField.replace("TUE", "3" );
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dayOfWeekField=dayOfWeekField.replace("WED", "4" );
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dayOfWeekField=dayOfWeekField.replace("THU", "5" );
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dayOfWeekField=dayOfWeekField.replace("FRI", "6" );
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dayOfWeekField=dayOfWeekField.replace("SAT", "7" );
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if (dayOfWeekField == "?") {
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return true;
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}
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if (dayOfWeekField.indexOf("L") >= 0) {
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return checkFieldWithLetterWeek(dayOfWeekField, "L", 1, 7, "星期");
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} else if (dayOfWeekField.indexOf("C") >= 0) {
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return checkFieldWithLetterWeek(dayOfWeekField, "C", 1, 7, "星期");
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} else if (dayOfWeekField.indexOf("#") >= 0) {
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return checkFieldWithLetterWeek(dayOfWeekField, "#", 1, 7, "星期");
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} else {
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return checkField(dayOfWeekField, 1, 7, "星期");
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}
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}
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//检查年份的函数方法
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function checkYearField(yearField) {
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return checkField(yearField, 1970, 2099, "年的");
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}
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//通用的检查值的大小范围的方法( - , / *)
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function checkField(value, minimal, maximal, attribute) {
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//校验值中是否有“-”，如果有“-”的话，下标会>0
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if (value.indexOf("-") > -1 ) {
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return checkRangeAndCycle(value, minimal, maximal,attribute);
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}
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//校验值中是否有“，”，如果有“,”的话，下标会>0
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else if (value.indexOf(",") > -1) {
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return checkListField(value, minimal, maximal,attribute);
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}
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//校验值中是否有“/”，如果有“/”的话，下标会>0
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else if (value.indexOf( "/" ) > -1) {
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return checkIncrementField( value, minimal, maximal ,attribute);
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}
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//校验值是否为“*”
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else if (value=="*") {
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return true;
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}
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//校验单独的数字，英文字母，以及各种神奇的符号等...
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else {
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return checkIntValue(value, minimal, maximal,true, attribute);
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}
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}
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//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
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function checkIntValue(value, minimal, maximal, checkExtremity,attribute) {
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try {
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//用10进制犯法来进行整数转换
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var val = parseInt(value, 10);
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if (value == val) {
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if (checkExtremity) {
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if (val < minimal || val > maximal) {
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return (attribute+"的参数取值范围必须在"+ minimal + "-" + maximal +"之间");
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}
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return true;
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}
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return true;
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}
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return (attribute+"的参数存在非法字符，必须为整数或允许的大写英文");
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} catch (e) {
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return (attribute+"的参数有非法字符，必须是整数~")
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}
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}
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//检验枚举类型的参数是否正确
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function checkListField(value, minimal, maximal,attribute) {
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var st = value.split(",");
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var values = new Array(st.length);
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//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。
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var count=0;
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for(var j = 0; j < st.length; j++) {
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values[j] = st[j];
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}
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//判断枚举类型的值是否重复
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for(var i=0;i<values.length;i++){
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//判断枚举的值是否在范围内
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message = checkIntValue(values[i], minimal, maximal, true, attribute);
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if (message!=true) {
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return message;
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}
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count=0;
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for(var j=0;j<values.length;j++){
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if(values[i]==values[j])
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{
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count++;
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}
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if(count>1){
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return (attribute+"中的参数重复");
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}
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}
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}
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var previousValue = -1;
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//判断枚举的值是否排序正确
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for (var i= 0; i < values.length; i++) {
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var currentValue = values[i];
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try {
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var val = parseInt(currentValue, 10);
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if (val < previousValue) {
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return (attribute+"的参数应该从小到大");
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} else {
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previousValue = val;
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}
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} catch (e) {
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//前面验证过了，这边的代码不可能跑到
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return ("这段提示用不到")
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}
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}
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return true;
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}
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//检验循环
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function checkIncrementField(value, minimal, maximal, attribute) {
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if(value.split("/").length>2){
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return (attribute + "中的参数只能有一个'/'");
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}
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var start = value.substring(0, value.indexOf("/"));
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var increment = value.substring(value.indexOf("/") + 1);
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if (start != "*") {
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//检验前值是否正确
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message = checkIntValue(start, minimal, maximal, true, attribute);
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if(message != true){
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return message;
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}
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//检验后值是否正确
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message = checkIntValue(increment, minimal, maximal, true, attribute);
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if(message != true){
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return message;
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}
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return true;
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} else {
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//检验后值是否正确
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return checkIntValue(increment, minimal, maximal, false, attribute);
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}
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}
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//检验范围
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function checkRangeAndCycle(params, minimal, maximal, attribute){
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//校验“-”符号是否只有一个
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if(params.split("-").length>2){
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return (attribute + "中的参数只能有一个'-'");
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}
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var value = null;
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var cycle = null;
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//检验范围内是否有嵌套周期
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if(params.indexOf("/") > -1){
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//校验“/”符号是否只有一个
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if(params.split("/").length>2){
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return (attribute + "中的参数只能有一个'/'");
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}
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value = params.split("/")[0];
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cycle = params.split("/")[1];
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//判断循环的参数是否正确
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message =checkIntValue(cycle, minimal, maximal, true, attribute);
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if (message!=true) {
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return message;
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}
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}else{
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value = params;
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}
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var startValue = value.substring(0, value.indexOf( "-" ));
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var endValue = value.substring(value.indexOf( "-" ) + 1);
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//判断参数范围的第一个值是否正确
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message =checkIntValue(startValue, minimal, maximal, true, attribute);
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if (message!=true) {
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return message;
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}
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//判断参数范围的第二个值是否正确
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message =checkIntValue(endValue, minimal, maximal, true, attribute);
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if(message!=true){
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return message;
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}
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//判断参数的范围前值是否小于后值
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try {
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var startVal = parseInt(startValue, 10);
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var endVal = parseInt(endValue, 10);
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if(endVal < startVal){
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return (attribute+"的取值范围错误，前值必须小于后值");
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}
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if((endVal-startVal)<parseInt(cycle,10)){
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return (attribute+"的取值范围内的循环无意义");
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}
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return true;
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} catch (e) {
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//用不到这行代码的
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return (attribute+"的参数有非法字符，必须是整数");
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}
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}
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//检查日中的特殊字符
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function checkFieldWithLetter(value, letter, minimalBefore, maximalBefore,attribute) {
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//判断是否只有一个字母
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for(var i=0;i<value.length;i++){
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var count = 0;
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if(value.charAt(i)==letter){
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count++;
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}
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if(count>1){
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return (attribute+"的值的"+letter+"字母只能有一个")
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}
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}
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//校验L
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if(letter == "L"){
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if(value == "LW"){
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return true;
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}
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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;
|
|||
|
|
}
|
|||
|
|
}
|