define(function(require, exports, moudles) {
return function(jQuery) { (function($) {
var $ = require('$');
/*邮箱提示插件
$(".account").mailAutoComplete({
boxClass: "out_box", //外部box样式
listClass: "list_box", //默认的列表样式
focusClass: "focus_box", //列表选样式中
markCalss: "mark_box", //高亮样式
autoClass: false,
textHint: true, //提示文字自动隐藏
hintText: "请输入邮箱地址"
});
*/
$.fn.mailAutoComplete = function(options) {
var defaults = {
boxClass: "mailListBox",
//外部box样式
listClass: "mailListDefault",
//默认的列表样式
focusClass: "mailListFocus",
//列表选样式中
markCalss: "mailListHlignt",
//高亮样式
zIndex: 1,
autoClass: true,
//是否使用插件自带class样式
mailArr: ["qq.com", "gmail.com", "126.com", "163.com", "hotmail.com", "yahoo.com", "yahoo.com.cn", "live.com", "sohu.com", "sina.com"],
//邮件数组
textHint: false,
//文字提示的自动显示与隐藏
hintText: "",
focusColor: "#333",
blurColor: "#999"
};
var settings = $.extend({},
defaults, options || {});
//页面装载CSS样式
if (settings.autoClass && $("#mailListAppendCss").size() === 0) {
$('<style id="mailListAppendCss" type="text/css">.mailListBox{border:1px solid #369; background:#fff; font:12px/20px Arial;}.mailListDefault{padding:0 5px;cursor:pointer;white-space:nowrap;}.mailListFocus{padding:0 5px;cursor:pointer;white-space:nowrap;background:#369;color:white;}.mailListHlignt{color:red;}.mailListFocus .mailListHlignt{color:#fff;}</style>').appendTo($("head"));
}
var cb = settings.boxClass,
cl = settings.listClass,
cf = settings.focusClass,
cm = settings.markCalss; //插件的class变量
var z = settings.zIndex,
newArr = mailArr = settings.mailArr,
hint = settings.textHint,
text = settings.hintText,
fc = settings.focusColor,
bc = settings.blurColor;
//创建邮件内部列表内容
$.createHtml = function(str, arr, cur) {
var mailHtml = "";
if ($.isArray(arr)) {
$.each(arr,
function(i, n) {
if (i === cur) {
mailHtml += '<div class="mailHover ' + cf + '" id="mailList_' + i + '"><span class="' + cm + '">' + str + '</span>@' + arr[i] + '</div>';
} else {
mailHtml += '<div class="mailHover ' + cl + '" id="mailList_' + i + '"><span class="' + cm + '">' + str + '</span>@' + arr[i] + '</div>';
}
});
}
return mailHtml;
};
//一些全局变量
var index = -1,
s;
$(this).each(function() {
var that = $(this),
i = $(".justForJs").size();
if (i > 0) { //只绑定一个文本框
return;
}
var w = that.outerWidth(),
h = that.outerHeight(); //获取当前对象(即文本框)的宽高
//样式的初始化
if (location.href.indexOf('/signup/') > -1) {
topnum = 48;
} else {
topnum = 75;
}
that.wrap('<span style="display:inline-block;position:relative;width:100%;"></span>').before('<div id="mailListBox_' + i + '" class="justForJs ' + cb + '" style="min-width:' + (w - 2) + 'px;_width:' + w + 'px;position:absolute;left:-6000px;top:' + topnum + 'px;z-index:' + z + ';"></div>');
var x = $("#mailListBox_" + i),
liveValue; //列表框对象
that.focus(function() {
//父标签的层级
$(this).css("color", fc).parent().css("z-index", z);
//提示文字的显示与隐藏
if (hint && text) {
var focus_v = $.trim($(this).val());
if (focus_v === text) {
$(this).val("");
}
}
//键盘事件
$(this).keyup(function(e) {
s = v = $.trim($(this).val());
if (/@/.test(v)) {
s = v.replace(/@.*/, "");
}
if (v.length > 0) {
//如果按键是上下键
if (e.keyCode === 38) {
//向上
if (index <= 0) {
index = newArr.length;
}
index--;
} else if (e.keyCode === 40) {
//向下
if (index >= newArr.length - 1) {
index = -1;
}
index++;
} else if (e.keyCode === 13) {
//回车
if (index > -1 && index < newArr.length) {
//如果当前有激活列表
$(this).val($("#mailList_" + index).text());
}
} else {
if (/@/.test(v)) {
index = -1;
//获得@后面的值
//s = v.replace(/@.*/, "");
//创建新匹配数组
var site = v.replace(/.*@/, "");
newArr = $.map(mailArr,
function(n) {
var reg = new RegExp(site);
if (reg.test(n)) {
return n;
}
});
x.html($.createHtml(s, newArr, index)).css("left", 0);
} else {
newArr = mailArr;
}
}
if (e.keyCode === 13) {
//回车
if (index > -1 && index < newArr.length) {
//如果当前有激活列表
x.css("left", "-6000px");
}
}
} else {
x.css("left", "-6000px");
}
}).blur(function() {
if (hint && text) {
var blur_v = $.trim($(this).val());
if (blur_v === "") {
$(this).val(text);
}
}
$(this).css("color", bc).unbind("keyup").parent().css("z-index", 0);
x.css("left", "-6000px");
});
//鼠标经过列表项事件
//鼠标经过
$(".mailHover").live("mouSEOver",
function() {
index = Number($(this).attr("id").split("_")[1]);
liveValue = $("#mailList_" + index).text();
x.children("." + cf).removeClass(cf).addClass(cl);
$(this).addClass(cf).removeClass(cl);
});
});
x.bind("mousedown",
function() {
that.val(liveValue);
});
});
};
})(jQuery);
}
});

上面的源码是修改过的seajs模块,升级了一下,实现了输入@的时候才出现输入框。感谢原作者。

原始插件地址:http://www.zhangxinxu.com/WordPress/2010/06/%E6%96%87%E6%9C%AC%E6%A1%86%E9%82%AE%E7%AE%B1%E5%9C%B0%E5%9D%80%E8%87%AA%E5%8A%A8%E6%8F%90%E7%A4%BAjQuery%E6%8F%92%E4%BB%B6/

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