(function($) {
$.fn.extend({
money_mode: function(options) {
var defaults = {
decimal_length: 2,//小数点位数
format: "#,###.00",//格式化类型
locale: "us"
};
var options = $.extend(defaults, options);
var len = parseInt(options[‘decimal_length‘]);
return this.each(function() {
var input = $(this);
input.css("ime-mode", "disabled");
var decimal_point = false;
input.bind("keypress", function() {
if (event.keyCode == 46) {
if (input.val().indexOf(".") != -1 || (input.val().lastIndexOf(".") == (input.val().length - 1))) {
return false;
}
} else {
if (decimal_point)
return false;
else
return event.keyCode >= 46 && event.keyCode <= 57;
}
});
input.bind("blur", function() {
// begin失去焦点后字符串格式化
var formatData = formatCodes(options.locale.toLowerCase());
var valid = formatData.valid;
var dec = formatData.dec;
var group = formatData.group;
var neg = formatData.neg;
if (input.val() != null && input.val() != ‘‘) {
var text = new String(jQuery(input).text());
if (jQuery(input).is(":input"))
text = new String(jQuery(input).val());
var isValid = true;
for (var i = 0; i < text.length; i++) {
if (valid.indexOf(text.charAt(i)) == -1)
isValid = false;
}
if (isValid) {
var number = new Number(text.replace(group, ‘‘).replace(dec, ".").replace(neg, "-"));
var returnString = "";
var decimalValue = number % 1;
if (options.format.indexOf(".") > -1) {
var decimalPortion = dec;
var decimalFormat = options.format.substring(options.format.lastIndexOf(".") + 1);
var decimalString = new String(decimalValue.toFixed(decimalFormat.length));
decimalString = decimalString.substring(decimalString.lastIndexOf(".") + 1);
for (var i = 0; i < decimalFormat.length; i++) {
if (decimalFormat.charAt(i) == ‘#‘ && decimalString.charAt(i) != ‘0‘) {
decimalPortion += decimalString.charAt(i);
break;
}
else if (decimalFormat.charAt(i) == "0") {
decimalPortion += decimalString.charAt(i);
}
}
returnString += decimalPortion
}
else
number = Math.round(number);
var ones = Math.floor(number);
var onePortion = "";
if (ones == 0) {
onePortion = "0";
}
else {
// find how many digits are in the group
var onesFormat = "";
if (options.format.indexOf(".") == -1)
onesFormat = options.format;
else
onesFormat = options.format.substring(0, options.format.indexOf("."));
var oneText = new String(ones);
var groupLength = 9999;
if (onesFormat.lastIndexOf(",") != -1)
groupLength = onesFormat.length - onesFormat.lastIndexOf(",") - 1;
var groupCount = 0;
for (var i = oneText.length - 1; i > -1; i--) {
onePortion = oneText.charAt(i) + onePortion;
groupCount++;
if (groupCount == groupLength && i != 0) {
onePortion = group + onePortion;
groupCount = 0;
}
}
}
returnString = onePortion + returnString;
if (number < 0)
returnString += neg;
if (jQuery(this).is(":input"))
jQuery(this).val(returnString);
else
jQuery(this).text(returnString);
}
}
// end 失去焦点后字符串格式化
})
input.bind("paste", function() {
var s = clipboardData.getData(‘text‘);
if (!//D/.test(s));
value = s.replace(/^0*/, ‘‘);
return false;
})
input.bind("dragenter", function() {
return false;
})
input.bind("keyup", function() {
if (input.val() != null && input.val() != ‘‘) {
if (input.val().indexOf(".") == -1) {
return true;
}
else {
var decimalIndex = input.val().indexOf(‘.‘);
var decimalPart = input.val().substring(decimalIndex + 1, input.val().length);
if (decimalPart.length == len) {
decimal_point = true;
return false;
}
else
return true;
}
}
else {
decimal_point = false;
return false;
}
});
});
}
});
function formatCodes(locale) {
// default values
var valid = "1234567890.,-";
var dec = ".";
var group = ",";
var neg = "-";
if (locale == "us" || locale == "cn" || locale == "tw") {
valid = "1234567890.,-";
dec = ".";
group = ",";
}
return new FormatData(valid, dec, group, neg);
};
function FormatData(valid, dec, group, neg) {
this.valid = valid;
this.dec = dec;
this.group = group;
this.neg = neg;
};
})(jQuery);
时间： 2024-10-09 10:51:59