老师帮忙看一下为啥我请求json文件时会报这个错
index.html
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 | <!DOCTYPE html> < html > < head > < meta charset = "UTF-8" > < meta name = "viewport" content = "width=device-width, initial-scale=1.0" > < meta http-equiv = "X-UA-Compatible" content = "ie=edge" > < title >幕淘网</ title > < link rel = "stylesheet" href = "css/base.css" > < link rel = "stylesheet" href = "css/common.css" > < link rel = "stylesheet" href = "css/index.css" > < link href = "//netdna.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel = "stylesheet" > </ head > < body > < div class = "nav-site" > < div class = "container" > < ul class = "fl" > < li class = "fl" >< a href = "javascript:;" class = "nav-site-login" >亲,请登录</ a ></ li > < li class = "fl" >< a href = "javascript:;" class = "nav-site-signup link" >免费注册</ a ></ li > < li class = "fl" >< a href = "###" target = "_blank" class = "nav-site-mobile link" >手机逛幕淘</ a ></ li > </ ul > < ul class = "fr" > < li class = "fl menu dropdown" data-active = "menu" > < a href = "###" target = "_blank" class = "dropdown-toggle link" >我的幕淘< i class = "transition dropdown-arrow icon icon-xialajiantou" ></ i ></ a > < ul class = "dropdown-layer dropdown-left" > < li >< a href = "###" target = "_blank" class = "menu-item" >已买到的宝贝</ a ></ li > < li >< a href = "###" target = "_blank" class = "menu-item" >我的足迹</ a ></ li > </ ul > </ li > < li class = "fl menu dropdown" data-active = "menu" > < a href = "###" target = "_blank" class = "dropdown-toggle link" >收藏夹< i class = "transition dropdown-arrow icon icon-xialajiantou" ></ i ></ a > < ul class = "dropdown-layer dropdown-left" > < li >< a href = "###" target = "_blank" class = "menu-item" >收藏的宝贝</ a ></ li > < li >< a href = "###" target = "_blank" class = "menu-item" >收藏的店铺</ a ></ li > </ ul > </ li > < li class = "fl" > < a href = "###" target = "_blank" class = "nav-site-category link" >商品分类</ a > </ li > < li class = " fl menu dropdown" data-active = "menu" data-load = "js/dropdown-seller.json" > < a href = "###" target = "_blank" class = "dropdown-toggle link" >卖家中心< i class = "transition dropdown-arrow icon icon-xialajiantou" ></ i ></ a > < ul class = "dropdown-layer dropdown-left" > < li class = "dropdown-loading" ></ li > </ ul > </ li > < li class = "nav-site-service fl menu dropdown" data-active = "menu" > < a href = "###" target = "_blank" class = "dropdown-toggle link" >联系客服< i class = "transition dropdown-arrow icon icon-xialajiantou" ></ i ></ a > < ul class = "dropdown-layer dropdown-right" > < li >< a href = "###" target = "_blank" class = "menu-item" >消费者客服</ a ></ li > < li >< a href = "###" target = "_blank" class = "menu-item" >卖家客服</ a ></ li > </ ul > </ li > </ ul > </ div > </ div > < div class = "header" > < div class = "container" > < h1 class = "fl" >< a href = "index.html" class = "header-logo text-hidden" >慕课网</ a ></ h1 > < div class = "search fl" id = "header-search" > < form action = "http://s.taobao.com/search" class = "search-form" > < input type = "text" class = "search-inputbox fl" name = "q" placeholder = "快来抢啊兄弟萌" autocomplete = "off" /> < input type = "submit" value = "搜索" class = "search-btn fl" /> </ form > < ul class = "search-layer" > <!-- <li class="search-layer-item text-ellipsis">111</li> <li class="search-layer-item text-ellipsis">111</li> <li class="search-layer-item text-ellipsis">111</li> <li class="search-layer-item text-ellipsis">111</li> --> </ ul > </ div > < div class = "cart fr" > < div class = "cart-btn active" > < i class = "icon icon-gouwuche" ></ i > < span >购物车</ span > < span >|</ span > < span >0</ span > < i class = "icon icon-xialajiantou" ></ i > </ div > < div class = "cart-layer" > < div class = "cart-layer-nothing" > < i class = "fa fa-question-circle-o" ></ i > < p > 购物车里还没有商品赶紧去选购吧 </ p > </ div > < div class = "cart-layer-haveGoods" > < div class = "cart-layer-haveGoods-title" > 最新加入的商品 </ div > < div class = "cart-layer-haveGoods-main" > < div class = "goods-item" > < div class = "goods-item-pic" > < img src = "img/cart/1.png" > </ div > < div class = "goods-item-intr" > < p >adidas 阿迪达斯 训练 男子</ p > < p >¥< span class = "price" >335</ span >×< span class = "amount" >1</ span ></ p > </ div > < div class = "goods-item-del" > X </ div > </ div > < div class = "goods-item" > < div class = "goods-item-pic" > < img src = "img/cart/1.png" > </ div > < div class = "goods-item-intr" > < p >adidas 阿迪达斯 训练 男子</ p > < p >¥< span class = "price" >335</ span >×< span class = "amount" >1</ span ></ p > </ div > < div class = "goods-item-del" > X </ div > </ div > < div class = "goods-item" > < div class = "goods-item-pic" > < img src = "img/cart/1.png" > </ div > < div class = "goods-item-intr" > < p >adidas 阿迪达斯 训练 男子</ p > < p >¥< span class = "price" >335</ span >×< span class = "amount" >1</ span ></ p > </ div > < div class = "goods-item-del" > X </ div > </ div > < div class = "goods-item" > < div class = "goods-item-pic" > < img src = "img/cart/1.png" > </ div > < div class = "goods-item-intr" > < p >adidas 阿迪达斯 训练 男子</ p > < p >¥< span class = "price" >335</ span >×< span class = "amount" >1</ span ></ p > </ div > < div class = "goods-item-del" > X </ div > </ div > < div class = "goods-item" > < div class = "goods-item-pic" > < img src = "img/cart/1.png" > </ div > < div class = "goods-item-intr" > < p >adidas 阿迪达斯 训练 男子</ p > < p >¥< span class = "price" >335</ span >×< span class = "amount" >1</ span ></ p > </ div > < div class = "goods-item-del" > X </ div > </ div > < div class = "goods-item" > < div class = "goods-item-pic" > < img src = "img/cart/1.png" > </ div > < div class = "goods-item-intr" > < p >adidas 阿迪达斯 训练 男子</ p > < p >¥< span class = "price" >335</ span >×< span class = "amount" >1</ span ></ p > </ div > < div class = "goods-item-del" > X </ div > </ div > < div class = "goods-item" > < div class = "goods-item-pic" > < img src = "img/cart/1.png" > </ div > < div class = "goods-item-intr" > < p >adidas 阿迪达斯 训练 男子</ p > < p >¥< span class = "price" >335</ span >×< span class = "amount" >1</ span ></ p > </ div > < div class = "goods-item-del" > X </ div > </ div > < div class = "goods-item" > < div class = "goods-item-pic" > < img src = "img/cart/1.png" > </ div > < div class = "goods-item-intr" > < p >adidas 阿迪达斯 训练 男子</ p > < p >¥< span class = "price" >335</ span >×< span class = "amount" >1</ span ></ p > </ div > < div class = "goods-item-del" > X </ div > </ div > < div class = "goods-item" > < div class = "goods-item-pic" > < img src = "img/cart/1.png" > </ div > < div class = "goods-item-intr" > < p >adidas 阿迪达斯 训练 男子</ p > < p >¥< span class = "price" >335</ span >×< span class = "amount" >1</ span ></ p > </ div > < div class = "goods-item-del" > X </ div > </ div > < div class = "goods-item" > < div class = "goods-item-pic" > < img src = "img/cart/1.png" > </ div > < div class = "goods-item-intr" > < p >adidas 阿迪达斯 训练 男子</ p > < p >¥< span class = "price" >335</ span >×< span class = "amount" >1</ span ></ p > </ div > < div class = "goods-item-del" > X </ div > </ div > < div class = "goods-item" > < div class = "goods-item-pic" > < img src = "img/cart/1.png" > </ div > < div class = "goods-item-intr" > < p >adidas 阿迪达斯 训练 男子</ p > < p >¥< span class = "price" >335</ span >×< span class = "amount" >1</ span ></ p > </ div > < div class = "goods-item-del" > X </ div > </ div > < div class = "goods-item" > < div class = "goods-item-pic" > < img src = "img/cart/1.png" > </ div > < div class = "goods-item-intr" > < p >adidas 阿迪达斯 训练 男子</ p > < p >¥< span class = "price" >335</ span >×< span class = "amount" >1</ span ></ p > </ div > < div class = "goods-item-del" > X </ div > </ div > < div class = "goods-item" > < div class = "goods-item-pic" > < img src = "img/cart/1.png" > </ div > < div class = "goods-item-intr" > < p >adidas 阿迪达斯 训练 男子</ p > < p >¥< span class = "price" >335</ span >×< span class = "amount" >1</ span ></ p > </ div > < div class = "goods-item-del" > X </ div > </ div > </ div > < div class = "cart-layer-haveGoods-totalPrice" > < span >共< i >0</ i >件商品</ span > < span >共计< i >¥0.00</ i ></ span > < button >去购物车</ button > </ div > </ div > </ div > </ div > </ div > </ div > < script src = "js/jQuery.js" type = "text/javascript" charset = "utf-8" ></ script > < script src = "js/showhide.js" type = "text/javascript" charset = "utf-8" ></ script > < script src = "js/dropdown.js" type = "text/javascript" charset = "utf-8" ></ script > < script src = "js/search(2).js" type = "text/javascript" charset = "utf-8" ></ script > < script src = "js/cart.js" type = "text/javascript" charset = "utf-8" ></ script > < script src = "js/index.js" type = "text/javascript" charset = "utf-8" ></ script > </ body > </ html > |
index.css
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 | /* nav-site */ .nav-site { width : 100% ; background-color : #f3f5f7 ; } .nav-site .container { height : 44px ; line-height : 44px ; border-bottom : 1px solid #cdd0d4 ; } .nav-site-login { color : #F01414 ; margin-left : 15px ; } .nav-site-mobile, .nav-site-signup { margin-left : 10px ; } .nav-site-category { margin : 0 10px ; } .nav-site-service { margin-right : 15px ; } /* header */ .header { width : 100% ; height : 124px ; background-color : #f3f5f7 ; } .header-logo, .header .search, .header .cart { margin-top : 36px ; } .header-logo { display : block ; width : 136px ; height : 48px ; background : url (../img/header-logo.png); margin-left : 15px ; } .header .search { margin-left : 145px ; } /* 购物车 */ .header .cart { position : relative ; } .header .cart .cart-btn { height : 42px ; width : 158px ; background-color : #F01414 ; color : white ; line-height : 42px ; font-size : 12px ; vertical-align : middle ; cursor : pointer ; } .header .cart .cart-btn i { font-weight : 600 ; } .header .cart .cart-btn .icon-gouwuche { margin : 0 11px ; vertical-align : middle ; } .header .cart .cart-btn span { margin-right : 11px ; vertical-align : middle ; } .header .cart .cart-btn .icon-xialajiantou { vertical-align : middle ; transform: rotate( -180 deg); } /* 下拉层 */ .header .cart-layer { display : none ; position : absolute ; /* width: 320px; */ /* height: 120px; */ background-color : white ; border : 1px solid #CDD0D4 ; box-shadow: #e9e9e9 0px 0px 6px ; right : 0 ; } .header .cart .cart-btn.active { background-color : white ; color : red ; box-shadow: #e9e9e9 0px 0px 6px ; } .header .cart .cart-btn.active .icon-xialajiantou::before {} .header .cart .cart-btn.active+.cart-layer { display : block ; } .header .cart .cart-layer .cart-layer-nothing { width : 320px ; height : 120px ; box-sizing: border-box; /* padding: 81px 39px 77px 0px; */ padding : 39px 77px 0px 81px ; } .header .cart .cart-layer .cart-layer-nothing i, .header .cart .cart-layer .cart-layer-nothing p { display : inline- block ; } .header .cart .cart-layer .cart-layer-nothing i { color : #d9dde1 ; font-size : 39px ; } .header .cart .cart-layer .cart-layer-nothing p { width : 108px ; font-size : 12px ; line-height : 21px ; color : #93999f ; margin-left : 16px ; } .header .cart .cart-layer .cart-layer-haveGoods { width : 320px ; padding-left : 12px ; padding-right : 0px ; box-sizing: border-box; } .header .cart .cart-layer .cart-layer-haveGoods .cart-layer-haveGoods-title { height : 52px ; line-height : 52px ; font-size : 12px ; margin-right : 29px ; border-bottom : #d9dde1 1px solid ; } .header .cart .cart-layer .cart-layer-haveGoods .cart-layer-haveGoods-main{ height : 325px ; overflow-y: scroll ; } .header .cart .cart-layer .cart-layer-haveGoods .goods-item { height : 64px ; border-bottom : #d9dde1 1px solid ; position : relative ; font-size : 0 ; margin-right : 12px ; } .header .cart .cart-layer .cart-layer-haveGoods .goods-item>div { float : left ; font-size : 12px ; height : 64px ; } .header .cart .cart-layer .cart-layer-haveGoods .goods-item .goods-item-pic { width : 48px ; height : 64px ; position : relative ; margin-left : 14px ; margin-right : 13px ; } .header .cart .cart-layer .cart-layer-haveGoods .goods-item .goods-item-pic img { top : 50% ; position : absolute ; transform: translateY( -50% ); } .header .cart .cart-layer .cart-layer-haveGoods .goods-item .goods-item-intr p{ color : #4D555D ; } .header .cart .cart-layer .cart-layer-haveGoods .goods-item .goods-item-intr p:nth-child( 1 ){ margin-top : 17px ; margin-bottom : 13px ; } .header .cart .cart-layer .cart-layer-haveGoods .goods-item .goods-item-intr p:nth-child( 2 ){ font-size : 10px ; font-weight : 600 ; } .header .cart .cart-layer .cart-layer-haveGoods .goods-item .goods-item-del{ position : absolute ; right : 13px ; top : 19px ; color : #4D555D ; font-size : 9px ; font-weight : 600 ; } .header .cart .cart-layer .cart-layer-haveGoods-totalPrice{ padding-left : 5px ; height : 68px ; line-height : 68px ; } .header .cart .cart-layer .cart-layer-haveGoods-totalPrice span{ font-size : 11px ; margin : 0 5px ; } .header .cart .cart-layer .cart-layer-haveGoods-totalPrice i{ font-weight : 600 ; margin : 0 4px ; } .header .cart .cart-layer .cart-layer-haveGoods-totalPrice button{ margin-left : 42px ; width : 80px ; height : 36px ; background-color : #f01414 ; border-radius: 4px ; border : none ; color : white ; cursor : pointer ; } |
cart.js
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | var $cart = $( '.cart' ) var $cartBtn = $( '.cart-btn' ) var $cartNothing = $( '.cart-layer-nothing' ) var $cartHaveGoods = $( '.cart-layer-haveGoods' ) $cart.hover( function () { $cartBtn.addClass( 'active' ) getData() }, function () { $cartBtn.removeClass( 'active' ) }) init($( '.cart-layer-haveGoods-main' )) function init(ele) { console.log(ele.children().length) if (ele.children().length === 0) { $cartNothing.show() $cartHaveGoods.hide() } else { $cartNothing.hide() $cartHaveGoods.show() } } function getData() { $.ajax({ url: 'cart.json' , dataType: 'jsonp' , success: function (data){ console.log(data) } }) } |
cart.json
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | [ { "name" : "adidas 阿迪达斯 训练 男子" , "price" : "¥335" , "url" : "../imgs/cart/1.png" }, { "name" : "玉兰油多效呵护三部曲套装" , "price" : "¥199" , "url" : "../imgs/cart/2.png" }, { "name" : "Apple iPhone 7(A1660)" , "price" : "¥6188" , "url" : "../imgs/cart/3.png" }, { "name" : "飞利浦面条机123456/11" , "price" : "¥659" , "url" : "../imgs/cart/4.png" }, { "name" : "罗技G29 力反馈游戏方向" , "price" : "¥2999" , "url" : "../imgs/cart/5.png" }, { "name" : "Apple iPhone 7(A1660)" , "price" : "¥6188" , "url" : "../imgs/cart/3.png" }, { "name" : "玉兰油多效呵护三部曲套装" , "price" : "¥199" , "url" : "../imgs/cart/2.png" } ] |
源自: 实战:搜索功能组件化
3-5 自由编程
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同学你好,老师这边测试你的代码,可以正确发送请求,如下:
建议同学将“dataType: 'jsonp',”这句代码去掉(即不用jsonp请求),再测试一下,如下:
由于不能复现同学的报错,所以老师给你几种方案尝试一下:
1. 按住ctrl+F5强制刷新一下页面,清一下缓存试试。
2. 打开源码,看一下源码中的请求,能否正常执行,测试一下是不是服务器的问题。
3. 更换一下jQuery.js文件,换成咱们源码中的jq文件试一下。
祝学习愉快!
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