abstrakt：$(function() { //初始化 doPrice() // 鼠標移上全選框變色效果 $('.fa-check').mouseover(function() { if ($(this).attr('class') != 'fa fa-check checked&
$(function() {
//初始化
doPrice()
// 鼠標移上全選框變色效果
$('.fa-check').mouseover(function() {
if ($(this).attr('class') != 'fa fa-check checked') {
$(this).css('color', '#ff6700')
}
})
$('.fa-check').mouseleave(function() {
$(this).css('color', '#fff')
})
//普通選擇
$('.fa-check').click(function() {
var cla = $(this).attr('class')
if (cla != 'fa fa-check checked') {
$(this).attr('class', 'fa fa-check checked')
} else {
$(this).attr('class', 'fa fa-check')
}
doCheckAll()
doPrice()
})
// 全選選擇
$('#check-all').click(function() {
var cla = $(this).attr('class')
if (cla != 'fa fa-check checked') {
$('.fa-check').attr('class', 'fa fa-check checked')
} else {
$('.fa-check').attr('class', 'fa fa-check')
}
doPrice()
})
// 檢查是否全選
function doCheckAll() {
var allitem = $('.list-item i[class*="fa-check"]').length
var checkeditem = $('.list-item i[class$="checked"]').length
if (allitem != checkeditem) {
$('#check-all').attr('class', 'fa fa-check')
} else {
$('#check-all').attr('class', 'fa fa-check checked')
}
}
//加減按鈕
$('.plus').click(function() {
var nowvalue = $(this).siblings('input').val()
var nowvalue = parseInt(nowvalue)
// var currentvalue=0
var currentvalue = nowvalue + 1
$(this).siblings('input').val(currentvalue)
var danjia = parseFloat($(this).parents('.good-num').siblings('.good-price').html())
var xiaoji = danjia * currentvalue
//頁面中輸出
$(this).parents('.good-num').siblings('.good-total-price').html(xiaoji + '元')
doPrice()
})
$('.minus').click(function() {
var nowvalue = $(this).siblings('input').val()
var nowvalue = parseInt(nowvalue)
var currentvalue = 0
nowvalue <= 1 ? currentvalue = 1 : currentvalue = nowvalue - 1
$(this).siblings('input').val(currentvalue)
var danjia = parseFloat($(this).parents('.good-num').siblings('.good-price').html())
var xiaoji = danjia * currentvalue
//頁面中輸出
$(this).parents('.good-num').siblings('.good-total-price').html(xiaoji + '元')
doPrice()
})
//統(tǒng)計所有勾選的值
function doPrice() {
var items = $('.list-item i[class*="fa-check"]')
var checkeditems = $('.list-item i[class$="checked"]').parents('.select').siblings('.good-total-price') //選中小計的價錢
var totalprice = 0 //儲存總計
for (var i = 0; i < checkeditems.length; i++) {
totalprice += parseFloat(checkeditems[i].innerHTML)
}
$('.sum-price').html(totalprice)
//選中多少件
$('.select-count').html(checkeditems.length)
//總商品數
$('.all-count').html(items.length)
}
//刪除當前商品
$('.operation').click(function() {
$(this).parents('.list-item').remove()
})
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Korrigierender Lehrer：天蓬老師Korrekturzeit：2019-04-22 09:18:15
Zusammenfassung des Lehrers：通過這個作業(yè), 你學到了什么呢, 不想聊聊嗎? 作業(yè)寫完, 最好有一個小總結 , 利于后面的學習