web前端|js教程
自动补全
web前端-js教程
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/*文本自动补全 zhouxiang*/
(function ($) {
$.Completion = function (setting) {
var opts = $.extend({}, $.Completion.DefaultSetting, setting);
//宽度
var Completion_Width = null;
//高度
var Completion_Height = null;
//数据源(ashx)访问路径
var Completion_Data_Url = null;
//对象
var Completion_Obj = null;
var Completion_Obj_Show = null;
//对象距离左边距
var Completion_Obj_MarginLeft = null;
//对象距离上边距
var Completion_Obj_MarginTop = null;
//对象高度
var Completion_Obj_Height = null;
//分类
var Completion_Count = null;
//
var Completion_Type_obj = null;
//内容
var Completion_Value = null;
//类型
var Completion_Type = null;
//是否传入类型
var Completion_Bool = false;
//计数
var Completion_N = 0;
//回车回调
var Completion_ClickCall = null;
//加载
function Completion_Loading() {
//初始化
Init();
//绑定事件
Completion_Obj_AddEvent();
}
//初始化
function Init() {
Completion_Obj_Show = pletion_Obj_Show;
//获取对象
Completion_Obj = pletion_Obj;
//获取对象宽度
Completion_Width = Completion_Obj.width();
//获取层显示高度
Completion_Height = pletion_Height;
//获取访问数据库URL
Completion_Data_Url = pletion_Data_Url;
//每次查询多少条记录
Completion_Count = pletion_Count;
//获取对象高度
Completion_Obj_Height = Completion_Obj.height();
//获取左边距
Completion_Obj_MarginLeft = Completion_Obj.offset().left;
//获取上边距
Completion_Obj_MarginTop = parseInt(Completion_Obj.offset().top) + parseInt(Completion_Obj_Height);
Completion_Type_obj = pletion_Type_obj;
Completion_Bool = pletion_Bool;
Completion_ClickCall = pletion_ClickCall;
}
//给对象添加事件
function Completion_Obj_AddEvent() {
Completion_Obj.keyup(function (event) {
switch (event.keyCode) {
case 38:
break;
case 40:
break;
case 13:
Completion_ClickCall();
break;
default:
//按键事件 延迟操作
Cimpletion_Bind();
break;
}
});
Completion_Obj.keydown(function (event) {
switch (event.keyCode) {
case 13:
break;
case 38:
if (Completion_N == 0) {
Completion_N = (Completion_Obj_Show.find("li").length - 1);
} else if (Completion_N != 0) {
Completion_N = Completion_N - 1;
}
//alert(Completion_N);
Completion_Obj_Show.find("li").find("a").removeClass("Completion-guess-list-hover");
Completion_Obj_Show.find("li").eq(Completion_N).find("a").addClass("Completion-guess-list-hover");
Completion_Obj.val(Completion_Obj_Show.find("li").eq(Completion_N).find("ul").text());
break;
case 40:
if (Completion_N + 1 < Completion_Obj_Show.find("li").length) {
Completion_N = Completion_N + 1;
} else if (Completion_N + 1 == Completion_Obj_Show.find("li").length) {
Completion_N = 0;
}
Completion_Obj_Show.find("li").find("a").removeClass("Completion-guess-list-hover");
Completion_Obj.val(Completion_Obj_Show.find("li").eq(Completion_N).find("ul").text());
Completion_Obj_Show.find("li").eq(Completion_N).find("a").addClass("Completion-guess-list-hover");
break;
default:
break;
}
});
}
//绑定方法
function Cimpletion_Bind() {
//是否开启类型判断
if (Completion_Bool) {
Completion_Type = Completion_Type_obj.val();
}
Completion_Value = Completion_Obj.val();
Completion_Value = Completion_Value.replace(" ", "");
//执行验证
Completion_Verification(Completion_Value);
if (Completion_Value.length > 1) {
//得到数据 构造HTML
Completion_Data_Bind();
} else {
Completion_Obj_Show.hide();
}
}
//验证
function Completion_Verification(obj) {
if (obj == "" || obj == null || obj == undefined) {
return false;
}
}
//执行AJAX请求 得到数据
function Completion_Data_Bind() {
$.ajax({
url: Completion_Data_Url,
data: { CompletionValue: Completion_Value, CompletionCount: Completion_Count, CompletionType: Completion_Type },
type: "post",
dataType: "json",
success: function (obj) {
//构造HTML
Completion_Add_Html(obj);
}
});
}
//选中
function Completion_Selected(obj) {
Completion_Obj.val(obj.find("ul").text());
Completion_Obj_Show.hide();
}
//构造内容
function Completion_Add_Html(obj) {
var data = pletion_Data;
//执行验证
Completion_Verification(data);
var ComPletion_Li = "";
if (data != null && data != undefined) {
for (var i = 0; i < data.length; i++) {
//执行验证是否为空
var dr = data[i];
Completion_Verification(dr);
var ComPletionName = Pletion_Name;
ComPletionName = ComPletionName.replace(Completion_Value.toUpperCase(), "" + Completion_Value.toUpperCase() + "");
ComPletion_Li += "约" + Pletion_Count + "条记录" + ComPletionName + "";
}
if (ComPletion_Li != "") {
var Completion_Html = "" + ComPletion_Li + "";
Completion_Obj_Html(Completion_Html);
} else {
Completion_Obj_Show.hide();
}
}
}
//mouse
function MouseHover(obj) {
Completion_Obj_Show.find("li").mouseover(function () {
Completion_Obj_Show.find("li").find("a").removeClass("Completion-guess-list-hover");
Completion_Obj.val($(this).find("ul").text());
Completion_N = Completion_Obj_Show.find("li").index(this);
});
}
//绑定到控件
function Completion_Obj_Html(html) {
Completion_Obj_Show.show();
Completion_Obj_Show.html("")
Completion_Obj_Show.css({ "width": Completion_Width + 6, "height": Completion_Height, "border-width": "1px", "border-color": "#CCC", "border-top-width": "0px", "border-style": "solid", "position": "relative", "z-index": "100000" });
Completion_Obj_Show.attr("class", "Completion-guess-list");
Completion_Obj_Show.html(html);
Completion_N = -1;
Completion_Obj_Show.find("li").unbind("click").click(function () {
Completion_Selected($(this));
});
MouseHover($(this));
Completion_Obj_Show.click(function (e) {
e.stopPropagation();
})
Completion_Obj.click(function (e) {
Cimpletion_Bind();
e.stopPropagation();
});
$(document).click(function () {
Completion_Obj_Show.hide();
});
}
//加载
Completion_Loading();
};
//默认配置
$.Completion.DefaultSetting = {
Completion_Height: null,
Completion_Data_Url: null,
Completion_Obj: null,
Completion_Obj_Show: null,
Completion_Bool: false,
Completion_Count: 10,
Completion_Type_obj: null,
Completion_ClickCall: null
};
})(jQuery);
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body
{
margin: 0;
padding: 0;
}
.Completion-guess-list ul, li
{
margin: 0;
padding: 0;
list-style:none;
}
.Completion-guess-list
{
overflow: auto;
font-size: 12px;
line-height: 180%;
background: #fff;
}
.Completion-guess-list a
{
color: #555;
text-decoration: none;
display: block;
padding: 1px 6px;
overflow: hidden;
white-space: nowrap;
font-family:Verdana,arial;
}
.Completion-guess-list a .c-total{float:right;color:green;}
.Completion-guess-list a:hover,.Completion-guess-list pletion-guess-list-hover
{
background: #3399ff;
color: #fff;
}
.Completion-guess-list a:hover span.c-total,.Completion-guess-list pletion-guess-list-hover span.c-total{color:#fff;}
.Completion-guess-list .c-hover{font-weight:700;}
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$.Completion({ Completion_Obj: $("#Input_Html"), Completion_Data_Url: "/CompletionHandler.ashx", Completion_Height: "auto", Completion_Obj_Show: $("#show"), Completion_Bool: true, Completion_Type_obj: $("#Type"), Completion_ClickCall: function () { alert(1); }, Completion_Length: 0 });
