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javascript、jQuery的扩展方法，扩展实例展示代码
$(function () {
var total = 0, height = $(window).height(), memberScroll, cartScroll, proScroll;
$.cart = {
succ: function (data, status, xhr) {
data.Status == 1 ?
$.dialog(data.Message, { header: { title: "添加商品", closebtn: "×" } }) :
data.Status == 0 ?
$.cart.set.apply(
data.Target.Product ?
$.cart.add(data.Target.Product) :
$(".ordBody01 tbody tr[data-ProductNo=" + data.Target.CartProduct.ProductNo + "]"),
[data.Target.CartProduct]
) :
$.cart.selpro(data.Target.Products);
},
add: function (pro) {
var tr = $("<tr></tr>").attr(‘data-ProductNo‘, pro.ProductNo).appendTo(".ordBody01 tbody");
$(‘<td width="38%" class="name"></td>‘).html(pro.Name).appendTo(tr);
$(‘<td width="20%" class="price"><input type="number" class="priTxt" readonly="readonly" value="http://www.mamicode.com/‘ + pro.SalePrice + ‘"/></td>‘).appendTo(tr);
var td = $(‘<td width="30%" class="proAmount"></td>‘).appendTo(tr);
$(‘<p><button type="button" class="qtyDown disabled"></button><input type="tel" name="qty" value="http://www.mamicode.com/1" class="qtyTxt"><button type="button" class="qtyUp"></button></p>‘).appendTo(td);
$(‘<td><button type="button" class="btnDelete"></button></td>‘).appendTo(tr);
tr.find(".priTxt").bind("change", $.cart.priceChange);
tr.find(".qtyTxt").bind("change", $.cart.qtyChange);
tr.find(".qtyDown,.qtyUp").bind("click", $.cart.qtyChange);
tr.find(".btnDelete").bind("click", $.cart.cartDelete);
return tr;
},
priceChange: function (e) {
e.preventDefault();
var that = $(this),
val = that.val();
val = /\d+/.test(val) && val > 0 ? parseFloat(val) : 0;
that.val(val);
$.post("/Order/SetPrice", { ProductNo: that.closest("tr").attr("data-ProductNo"), Price: val });
$.cart.cartCalc();
},
qtyChange: function (e) {
e.preventDefault();
var that = $(this), inp = that.closest("p").find(".qtyTxt");
!that.hasClass("disabled") && inp.cartChange(e, that.hasClass("qtyDown") ? -1 : that.hasClass("qtyUp") ? 1 : 0);
$.cart.cartCalc();
},
set: function (cpro) {
$("#word").val("");
$(this).find(".qtyTxt").val(cpro.Quantity).change();
},
pay: function (data, status, xhr) {
$.dialog(data, { header: { title: "订单确认", closebtn: ‘ב }, footer: { closebtn: ‘取消‘, okbtn: ‘确定‘, } }, function () {
var pay = this.$element.find("input.pay").val();
$.post("/Order/BuildOrder", { Payment: pay }, function (res) {
$.dialog(res.Message, { header: { title: "支付成功", closebtn: ‘ב }, close: res.Status ? null : function () { location.reload() } })
.$element
.dialogLoaded()
});
});
},
dialogLoaded: function () {
var that = $(this);
that.find("[data-page=true]").click(function (e) {
e.preventDefault(), $(this).navigate({
callback: function () {
var $that = $(this);
$that.find(".ordDetListBody").height($(window).height() - 240);
$that.find(".btnClose").click(function () { location.reload() })
}
})
});
},
selpro: function (pros) {
var div = $(‘<div style="width:100%;height:100%;overflow:scroll"></div>‘);
var ul = $(‘<ul class="productList"></ul>‘).appendTo(div);
for (var i in pros) {
$("<li class=‘clearfix‘ data-productno=‘" + pros[i].ProductNo + "‘><span class=‘floatL‘>" + pros[i].Name + "</span><span class=‘floatR‘>" + pros[i].SalePrice + "</span></li>").appendTo(ul).bind("click", $.cart.addpro);
}
var d = $.dialog(div, { header: { title: "选择商品", closebtn: "×" } });
if (proScroll) proScroll.destroy();
proScroll = new iScroll(d.find(".productList")[0], { desktopCompatibility: true });
},
addpro: function (e) {
e = e || event;
var that = $(e.target).closest("li"), no = that.attr("data-productno");
$.post(‘/Order/AddCart‘, { ProductNo: no }, $.cart.succ);
var el = $(that).closest(".modal"), wr = el.prev();
el.remove(), wr.remove();
},
cartChange: function (e, i) {
i = i || 0;
var that = $(this),
val = that.val(),
init = that.attr("data-init") || 0,
dbtn = that.prev(".qtyDown"),
ubtn = that.next(".qtyUp");
oval = that.attr("oval") || val;
val = (/\d+/.test(val) && val > 1 ? parseInt(val) : 1) + i;
that.val(val), dbtn.toggleClass("disabled", val <= 1);
init && $.post("/Order/SetCart", { ProductNo: that.closest("tr").attr("data-ProductNo"), Amount: val });
that.attr("data-init", 1)
},
cartAdd: function (e) {
var that = $(e.currentTarget).closest("li"), no = that.attr("data-productno");
$.post(‘/Order/AddCart‘, { ProductNo: no }, $.cart.succ);
var el = $(that).closest(".modal"), wr = el.prev();
el.remove(), wr.remove();
},
cartClear: function () {
$.post("/Order/ClsCart")
},
cartDelete: function (e) {
e.preventDefault();
var that = $(this).closest("tr");
$.post("/Order/DelCart", { ProductNo: that.attr("data-ProductNo") });
that.remove();
$.cart.cartCalc();
},
cartCalc: function () {
var sum = 0;
$(".ordBody01 tr").each(function () {
var pri = $(".priTxt", this).val(), qty = $(".qtyTxt", this).val();
sum += pri * qty;
});
$(".ordTotal span").html(sum.toString().replace(/(\d+)(\.)(\d{0,2}).*$/, "$1$2$3"));
},
loadmem: function (data) {
$(".memList").html(data).memberLoaded()
},
memberRemove: function (e) {
e.preventDefault();
var ord = $(‘.ordMember‘), $btn = $(‘.btnAddMember‘)
ord.remove(), $btn.show();
$("#word").attr({ "disabled": "disabled", "placeholder": "请先添加会员" });
$.post("/Order/EmptyMember")
},
memberSick: function (e) {
e.preventDefault();
var ord = $(this).closest(‘.ordMember‘);
$.post("/Order/MemberSick", { Id: ord.attr(‘data-MemberId‘) }, function (d) {
$.dialog(d, { header: { title: ‘会员病史‘, closebtn: ‘ב } })
})
},
memberLoaded: function () {
var that = $(this);
that.find("li[data-memberid]").click(function (e) {
var $that = $(this), ord = $(‘.ordMember‘), memberId = $that.attr("data-MemberId"), memberLevel = $that.attr(‘data-MemberLevel‘), $btn = $(‘.btnAddMember‘), page = that.closest(".page"), linka = $that.find(‘.link a‘);
if (linka.size()) return (location.href = http://www.mamicode.com/linka.attr(‘href‘));
if (!ord.size()) ord = $(‘<div class="ordMember clearfix"></div>‘).insertAfter($btn);
ord.attr("data-MemberId", memberId).html(‘‘),
$(‘<h2></h2>‘).text($(‘.name‘, $that).text()).appendTo(ord),
$(‘<button type="button" class="btnCancelMem"></button>‘).appendTo(ord).bind("click", $.cart.memberRemove),
$(‘<button type="button" class="btnStyle02 floatR btnMedRec">查看病历</button>‘).appendTo(ord).bind("click", $.cart.memberSick),
$(‘<span></span>‘).text(memberLevel).appendTo(ord),
$btn.hide(),
$("#word").attr({ "disabled": null, "placeholder": "请输入商品代码" }),
$.post("/Order/SetMember", { MemberId: memberId });
setTimeout(function () { page.remove() });
});
},
goBack: function () {
$(this).click(function (e) {
e.preventDefault();
var that = $(this).closest(".page").removeClass("active");
setTimeout(function () { that.remove() }, 300);
})
},
navigate: function (options) {
$(".modal,.modal-backdrop").remove();
var remote = $(this).attr("data-toggle") || $(this).attr("href");
$.get(remote, function (data) {
var p = $(‘<div class="page"></div>‘).html(data).appendTo("#dvContent").addClass("active");
options && options.callback && options.callback.apply(p);
})
},
}
$.fn.goBack = $.cart.goBack;
$.fn.navigate = $.cart.navigate;
$.fn.memberLoaded = $.cart.memberLoaded;
$.fn.cartChange = $.cart.cartChange;
$.fn.dialogLoaded = $.cart.dialogLoaded;
$(".ordBody01").height(height - 240);
$(".ordBody01 .priTxt").bind("change", $.cart.priceChange).change();
$(".ordBody01 .qtyTxt").bind("change", $.cart.qtyChange).change();
$(".btnEmpty").click(function (e) {
e.preventDefault();
var t = $(".ordBody01 tr");
!t.size() ?
$.dialog("订单还不没有商品呢", { header: { title: "清空订单", closebtn: "×" } }) :
$.dialog("清空订单商品?", { footer: { okbtn: "确定", closebtn: "取消" }, header: { title: "清空订单", closebtn: "×" } }, function () {
$.cart.cartClear(), t.remove(), $.cart.cartCalc()
});
});
$(".btnAddMember").click(function (e) {
e.preventDefault(); $(this).navigate({
callback: function () {
var that = $(this);
that.find(".btnBack").goBack();
that.find(".wraper").height(height - 110);
that.find(".memPhoneSearch input")
.keypress(function (e) {
var chars = "0123456789";
var chr = String.fromCharCode(e.charCode == undefined ? e.keyCode : e.charCode);
return e.ctrlKey || e.metaKey || (chr < ‘ ‘ || chars.indexOf(chr) > -1);
})
.bind(‘keyup change‘, function (e) {
var val = this.value, len = val.length, mem = that.find(".memPhoneSearch");
mem.toggleClass(‘cur‘, len > 0);
this.maxLength = /^1/i.test(val) ? 11 : 12;
});
that.find(".btnMemPhoClear").click(function () {
that.find(".memPhoneSearch input").val(‘‘).focus();
that.find(".memPhoneSearch").removeClass("cur");
})
that.find(".btnMemSearch").click(function (e) { e.preventDefault(), $(".memPhoneSearch form").submit() });
if (memberScroll) memberScroll.destroy();
memberScroll = new iScroll(that.find(".scroll")[0], { checkDOMChanges: true });
}
});
});
$(".btnSubmitOrder").click(function (e) {
e.preventDefault();
var procnt = $(".ordBody01 tr").size(), mem = $(".ordMember").size();
if (!mem) {
return $.dialog("您没有选择会员", { header: { title: "提交订单", closebtn: "×" } });
}
if (!procnt) {
return $.dialog("您没有添加商品", { header: { title: "提交订单", closebtn: "×" } });
}
$(".ordTotal form").submit();
});
$(".btnCancelMem").bind("click", $.cart.memberRemove);
$(".btnMedRec").bind("click", $.cart.memberSick);
$(".btnDelete").bind("click", $.cart.cartDelete);
$(".qtyDown,.qtyUp").bind("click", $.cart.qtyChange);
$("#word").keyup(function (e) {
var val = this.value, len = val.length;
$(".searchTxt").toggleClass(‘cur‘, len > 0);
});
$(document).on("submit", "form", function () {
$(":focus").blur();
})
cartScroll = new iScroll($(".ordBody01 table")[0], { checkDOMChanges: true });
})
javascript、jQuery的扩展方法，扩展实例展示代码