retValue = retValue.substring(0, retValue.length - 1);
ch = retValue.substring(retValue.length - 1, retValue.length);
}
while (retValue.indexOf(" ") != -1) {
// 将文字中间多个相连的空格变为一个空格
retValue = retValue.substring(0, retValue.indexOf(" "))
+ retValue.substring(retValue.indexOf(" ") + 1,
retValue.length);
}
return retValue;
}
/**
* 过滤字符串,指定过滤内容，如果内容为空，则默认过滤 '~!@#$%^&*()-+."
*
* @param {Object}
* str
* @param {Object}
* filterStr
*
* @return 包含过滤内容，返回True,否则返回false;
*/
this.filterStr = function(str, filterString) {
filterString = filterString == "" ? "'~!@#$%^&*()-+."" : filterString
var ch;
var i;
var temp;
var error = false;// 当包含非法字符时，返回True
for (i = 0; i <= (filterString.length - 1); i++) {
ch = filterString.charAt(i);
temp = str.indexOf(ch);
if (temp != -1) {
error = true;
break;
}
}
return error;
}
this.filterStrSpan = function(id, filterString) {
filterString = filterString == "" ? "'~!@#$%^&*()-+."" : filterString
var val = document.getElementById(id);
if (this.filterStr(val.value, filterString)) {
val.select();
var str = "不能包含非法字符" + filterString;
this.appendError(id, str);
return false;
} else {
this.remove(id + idExt);
return true;
}
}
/**
* 检查是否为网址
*
* @param {}
* str_url
* @return {Boolean} true：是网址，false:<b>不是</b>网址;
*/
this.isURL = function(str_url) {// 验证url
var strRegex = "^((https|http|ftp|rtsp|mms)?://)"
+ "?(([0-9a-z_!~*'().&=+$%-]+: )?[0-9a-z_!~*'().&=+$%-]+@)?" // ftp的user@
+ "(([0-9]{1,3}.){3}[0-9]{1,3}" // IP形式的URL- 199.194.52.184
+ "|" // 允许IP和DOMAIN（域名）
+ "([0-9a-z_!~*'()-]+.)*" // 域名- www.
+ "([0-9a-z][0-9a-z-]{0,61})?[0-9a-z]." // 二级域名
+ "[a-z]{2,6})" // first level domain- .com or .museum
+ "(:[0-9]{1,4})?" // 端口- :80
+ "((/?)|" // a slash isn't required if there is no file name
+ "(/[0-9a-z_!~*'().;?:@&=+$,%#-]+)+/?)$";
var re = new RegExp(strRegex);
return re.test(str_url);
}
this.isURLSpan = function(id) {
var val = document.getElementById(id);
if (!this.isURL(val.value)) {
val.select();
var str = "链接不符合格式;";
this.appendError(id, str);
return false;
} else {
this.remove(id + idExt);
return true;
}
}
/**
* 检查是否为电子邮件
*
* @param {}
* str
* @return {Boolean} true：电子邮件，false:<b>不是</b>电子邮件;
*/
this.isEmail = function(str) {
var re = /^([a-zA-Z0-9]+[_|-|.]?)*[a-zA-Z0-9]+@([a-zA-Z0-9]+[_|-|.]?)*[a-zA-Z0-9]+.[a-zA-Z]{2,3}$/;
return re.test(str);
}
this.isEmailSpan = function(id) {
var val = document.getElementById(id);
