asp.net mvc中使用jquery H5省市县三级地区选择控件
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地区选择是项目开发中常用的操作，本文讲的控件是在手机端使用的选择控件，不仅可以用于实现地区选择，只要是3个级别的选择都可以实现，比如专业选择、行业选择、职位选择等。效果如下图所示：
附：本实例asp.net mvc中使用jquery H5省市县三级地区选择控件及中国省市县标准地区库下载地址
咨询QQ：806693619
一、实现原理
一般常用输入控件是input，当点击input的时候执行jquery获取焦点事情，然后弹出本地区选择插件，选择完地区后点击确定将选择的值返回给input完成地区输入。核心代码包括样式文件、h5自适应rem.js脚本、控件核心js脚本及后台数据提供代码。
二、核心js
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$(function () { $("#inputVal").focus(function () { $.selectPanel("1", "/PubConfig/GetAreaList", "山东省", "inputVal"); }); //默认允许选择个数 var pubSelectNum = 2; //记录第一级选择值 var pubFirstVal; //记录第二级选择值 var secondVal; //默认数据获取地址 var pubAjaxUrl = "/PubConfig/GetAreaList"; //返回值赋予对象ID var pubReturnObjId; $.extend({ //初始化数据 selectPanel: function (selectNum, ajaxUrl,defaultVal,returnObjId) { pubSelectNum = selectNum; pubAjaxUrl = ajaxUrl; pubFirstVal = defaultVal; pubReturnObjId = returnObjId; initLayout(); //第一级别 $.ajax({ url: pubAjaxUrl, type: ‘POST‘, cache: false, dataType: ‘json‘, data: { pId: "ROOT" }, success: function (data) { //成功事件 var listr = "", firstId = ""; $.each(data, function (i, item) { //配置默认省份 if (data[i].NAME == defaultVal) { firstId = data[i].ID; listr = listr + "<li id=‘" + data[i].ID + "‘ data-title=\"" + data[i].NAME + "\" class=\"act font18\">" + data[i].NAME + "</li>"; } else listr = listr + "<li id=‘" + data[i].ID + "‘ data-title=\"" + data[i].NAME + "\" class=\"font18\">" + data[i].NAME + "</li>"; }); $(".p-first").empty(); $(".p-first").append(listr); //初始化第二级别 $.ajax({ url: pubAjaxUrl, type: ‘POST‘, cache: false, dataType: ‘json‘, data: { pId: firstId }, success: function (data) { //成功事件 var listr = "", firstId = ""; $.each(data, function (i, item) { if (data[i].PID == "Yes") listr = listr + "<li id=‘" + data[i].ID + "‘ data-title=\"" + data[i].NAME + "\" class=\"foldIco font18\">" + data[i].NAME + "</li>"; else listr = listr + "<li id=‘" + data[i].ID + "‘ data-title=\"" + data[i].NAME + "\" class=\"font18\">" + data[i].NAME + "</li>"; }); $(".p-second").empty(); $(".p-second").append(listr); }, error: function (XMLHttpRequest, textStatus, errorThrown) { //发送失败事件 alert(textStatus); } }); }, error: function (XMLHttpRequest, textStatus, errorThrown) { //发送失败事件 alert(textStatus); } }); } }); //向body加载初始布局 function initLayout() { $(".selectPanel").remove(); var StringArray = []; StringArray.push("<div class=\"sl-mask\" style=\"opacity: 1;\"></div>"); StringArray.push("<div class= \"selectPanel sl-actionsheet-toggle\">"); StringArray.push("<div class=\"p-bar\">"); StringArray.push("<div class=\"sl-btn sl-btn-inline sl-btn-small sl-btn-border-gray cancelBtn font18\">取消</div>"); StringArray.push("<div class=\"sl-btn sl-btn-inline sl-btn-small sl-btn-border-orange p-bar-right confirmBtn font18\">确定</div>"); StringArray.push("</div>"); StringArray.push("<div class=\"p-value font16\">"); StringArray.push("</div>"); StringArray.push("<div class=\"p-content\">"); StringArray.push("<div class=\"p-content-panel\">"); StringArray.push("<ul class=\"p-first\">"); StringArray.push("</ul>"); StringArray.push("</div>"); StringArray.push("<div class=\"p-content-panel\">"); StringArray.push("<ul class=\"p-second\">"); StringArray.push("<ul class=\"p-three\">"); StringArray.push("</ul>"); StringArray.push("</ul>"); StringArray.push("</div>"); StringArray.push("</div>"); StringArray.push("</div>"); $("body").append(StringArray.join("")); } //取消 $(".cancelBtn,.sl-mask").live("click", function () { $(".sl-mask").remove(); $(".selectPanel").remove(); }); //确定 $(".confirmBtn").live("click", function () { $("#" + pubReturnObjId).val("1"); var selectedList = $(".p-value-cell"); if (selectedList.length == 1) { } else { } $(".selectPanel").remove(); $(".sl-mask").remove(); }); //点击第一级别执行的 $(".p-first>li").live("click", function () { var thisObject = $(this); pubFirstVal = thisObject.html(); $(".p-first>li").removeClass("act"); thisObject.addClass("act"); //更新第二级别数据 $.ajax({ url: pubAjaxUrl, type: ‘POST‘, cache: false, dataType: ‘json‘, data: { pId: thisObject.attr("id") }, success: function (data) { //成功事件 var listr = "", firstId = ""; $.each(data, function (i, item) { listr = listr + "<li id=‘" + data[i].ID + "‘ data-title=\"" + data[i].NAME + "\" class=\"font18\">" + data[i].NAME + "</li>"; }); $(".p-second").empty(); $(".p-second").append(listr); }, error: function (XMLHttpRequest, textStatus, errorThrown) { //发送失败事件 alert(textStatus); } }); }); //点击第二级别执行的 $(".p-second>li").live("click", function () { var thisObject = $(this); secondVal = thisObject.html(); if (thisObject.hasClass("act")) { thisObject.removeClass("act"); $(".p-three").remove(); thisObject.removeClass("expandIco"); thisObject.addClass("foldIco"); } else { $(".p-second>li").removeClass("act"); thisObject.addClass("act"); thisObject.removeClass("foldIco"); thisObject.addClass("expandIco"); //更新第三级别数据 $.ajax({ url: pubAjaxUrl, type: ‘POST‘, cache: false, dataType: ‘json‘, data: { pId: thisObject.attr("id") }, success: function (data) { //成功事件 var listr = "<ul class=\"p-three\">", firstId = ""; $.each(data, function (i, item) { //判断是否有选择值，如果有需要添加已选择状态样式 if ($(".p-value-cell[data-code*=‘" + data[i].ID + "‘]").length > 0) { listr = listr + "<li id=‘" + data[i].ID + "‘ data-title=\"" + data[i].NAME + "\" class=\"act\">" + data[i].NAME + "</li>"; } else listr = listr + "<li id=‘" + data[i].ID + "‘ data-title=\"" + data[i].NAME + "\">" + data[i].NAME + "</li>"; }); listr = listr + "<ul>"; $(".p-three").remove(); thisObject.after(listr); }, error: function (XMLHttpRequest, textStatus, errorThrown) { //发送失败事件 alert(textStatus); } }); } }); //点击第三级别执行的 $(".p-three>li").live("click", function () { var thisObject = $(this); if (thisObject.hasClass("act")) { $(".p-value-cell[data-code*=‘" + thisObject.attr("ID") + "‘]").remove(); thisObject.removeClass("act"); } else { var selectedList = $(".p-value-cell"); if (selectedList.length > pubSelectNum * 1 - 1) { alert("最多允许选择一项"); return; } thisObject.addClass("act"); var listr = "<div class=\"p-value-cell font18\" data-code=\"" + thisObject.attr("ID") + "\" data-title=\"" + thisObject.html() + "\">" + pubFirstVal + secondVal + thisObject.html() + "</div>"; $(".p-value").append(listr); } }); //点击已经选择项目，取消选择 $(".selectPanel .p-value-cell").live("click", function () { var thisObject = $(this); //更新选项状态 $("#" + thisObject.attr("data-code")).removeClass("act"); thisObject.remove(); });}); |
三、样式文件
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.sl-mask { position: fixed; z-index: 10000; top: 0; right: 0; left: 0; bottom: 0; background: rgba(0,0,0,0.6); height: 100%;}.selectPanel { position: fixed; left: 0; bottom: 0; -webkit-transform: translate(0,100%); transform: translate(0,100%); -webkit-backface-visibility: hidden; backface-visibility: hidden; z-index: 50000; width: 100%; background-color: #EFEFF4; -webkit-transition: -webkit-transform .3s; transition: -webkit-transform .3s; transition: transform .3s; transition: transform .3s,-webkit-transform .3s; background-color: #fff;}.sl-actionsheet-toggle { -webkit-transform: translate(0,0); transform: translate(0,0);} .selectPanel .p-bar { padding: .15rem; } .selectPanel .p-bar-left { float: left; } .selectPanel .p-bar-right { float: right; } .selectPanel .p-value { padding: 0 .15rem; position: relative; line-height: 1.5; } .selectPanel .p-value-cell { display: inline-block; position: relative; height: .6rem; margin: .15rem 0; margin-right: 0px; line-height: .6rem; text-align: center; margin-right: .2rem; padding: 0 .15rem; padding-right: 0.15rem; padding-right: .5rem; border: 1px solid rgba(0,0,0,0.2); color: #666; border-radius: .08rem; } .selectPanel .p-value::before { content: ‘ ‘; width: 100%; height: 1px; background: #e3e3e3; position: absolute; left: 0; top: 0; } .selectPanel .p-value::after { content: ‘ ‘; width: 100%; height: 1px; background: #e3e3e3; position: absolute; left: 0; bottom: 0; } .selectPanel .p-value-cell:after { content: ‘\2715‘; position: absolute; top: 0; right: .1rem; font-weight: 100; } .selectPanel .p-content { position: relative; overflow: visible; width: 100%; background: #fff; display: box; display: -webkit-box; display: -moz-box; display: -ms-flexbox; display: -webkit-flex; display: flex; -webkit-transform: translate(0,0); transform: translate(0,0); -webkit-transition: -webkit-transform .3s; transition: -webkit-transform .3s; transition: transform .3s; transition: transform .3s,-webkit-transform .3s; } .selectPanel .p-content .p-content-panel { overflow: hidden; width: 100%; -webkit-box-flex: 1; -moz-box-flex: 1; -webkit-flex: 1; -ms-flex: 1; flex: 1; border-left: 1px solid #e3e3e3; height: 9.22rem; overflow-y: scroll; overflow-x: hidden; -webkit-overflow-scrolling: touch; height: 7.5rem; } .selectPanel .p-content .p-first > li { line-height: 1.05rem; position: relative; list-style: none; border-bottom: 1px solid rgba(188,187,187,0.28); padding: 0 .234rem 0 .3rem; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; } .selectPanel .p-content .p-second > li { line-height: 1.05rem; position: relative; list-style: none; border-bottom: 1px solid rgba(188,187,187,0.28); padding: 0 .234rem 0 .3rem; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; } .selectPanel .p-content .p-second .foldIco { background-image: url(../../SelectPanel/Images/67.png); background-repeat: no-repeat; background-size: .25rem; background-position: 90% .35rem; } .selectPanel .p-content .p-second .expandIco { background-image: url(../../SelectPanel/Images/86.png); background-repeat: no-repeat; background-size: .25rem; background-position: 90% .35rem; } .selectPanel .p-content .p-three > li { line-height: 1.05rem; position: relative; list-style: none; border-bottom: 1px solid rgba(188,187,187,0.28); padding: 0 .234rem 0 .6rem; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; } .selectPanel .act { background-color: rgba(255,214,0,0.14); color: #0180cf; }/*按钮定义*/.sl-btn { position: relative; display: block; margin-left: auto; margin-right: auto; padding-left: .3rem; padding-right: .3rem; text-align: center; text-decoration: none; color: #FFFFFF; line-height: .98rem; border-radius: .08rem; -webkit-tap-highlight-color: rgba(0,0,0,0); overflow: hidden; -moz-user-select: none; -webkit-user-select: none; -ms-user-select: none; -khtml-user-select: none; user-select: none; border: 0px;}.sl-btn-inline { display: inline-block;}.sl-btn-medium { height: .8rem; line-height: .78rem;}.sl-btn-small { height: .6rem; line-height: .58rem;}.sl-btn-border-gray { color: #666; border: 1px solid rgba(0,0,0,0.2);} .sl-btn-border-gray:not(.qs-btn-border-disabled):active, .qs-btn-border-gray:not(.qs-btn-border-disabled).eventactive { color: rgba(0,0,0,0.6); background-color: #DEDEDE; }.sl-btn-border-orange { color: #fd8000; border: 1px solid #fd8000;} .sl-btn-border-orange:not(.qs-btn-border-disabled):active, .qs-btn-border-orange:not(.qs-btn-border-disabled).eventactive { color: #fff; background-color: #fb9934; }html { font-family: "microsoft yahei","宋体"; -webkit-text-size-adjust: 100%; font-size: 100px;}body { margin: 0; max-width: 7.5rem; min-height: 100%; min-width: 320px; margin: 0 auto; color: #666666; background-color: #f2f2f2; -webkit-overflow-scrolling: touch; font-size: .3rem;}* { -webkit-box-sizing: border-box; box-sizing: border-box;}h1, h2, h3, h4, h5, form, p, ul, input { margin: 0px; padding: 0px;}input, textarea { font-family: "microsoft yahei","宋体"; font-size: .27857142rem; color: #666666;}li { padding: 0px; margin: 0px; line-height: 180%; list-style-type: none;}.font9 { font-size: .1888rem;}.font10 { font-size: .234rem;}.font12 { font-size: .25714285rem;}.font13 { font-size: .27857142rem;}.font14 { font-size: .3rem;}.font15 { font-size: .32142857rem;}.font16 { font-size: .34285714rem;}.font18 { font-size: .38571428rem;}.font20 { font-size: .468rem;}.font24 { font-size: .56249999rem;}.font28 { font-size: .65624999rem;} |
四、数据获取代码
数据获取代码是在.net mvc的c层完成的，根据你的项目需要需要自己完成。
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//地区选择控件使用 public ActionResult GetAreaList() { var pId = ClassesLib.GetString("pId"); string sqStr = "Select ID,NAME,PID from KZRCW.TSSYS_AREA where PID = ‘" + pId + "‘ order by id"; List<TSSYS_AREA> list = db.Database.SqlQuery<TSSYS_AREA>(sqStr).ToList(); for (int i = 0; i < list.Count; i++) { var pidStr = list[i].ID; var listKid = db.TSSYS_AREA.Where(c => c.PID == pidStr).ToList(); if (listKid.Count > 0) list[i].PID = "Yes"; else list[i].PID = "No"; } return Json(list, JsonRequestBehavior.AllowGet); } |
五、调用方法-控件使用方法
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<body> <input id="inputVal"/></body> |
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$("#inputVal").focus(function () { $.selectPanel("1", "/PubConfig/GetAreaList", "山东省", "inputVal");}); |
使用时需要传入4个参数，第一个是最多允许选择的个数、第二个数据获取路径，第三个第一层默认选择值，第四个选择完成后选择值需要赋予的控件ID。
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