下面透過實例程式碼給大家講解了微信小程式wx.previewImage預覽圖片功能,需要的朋友可以參考下
一.小知識
##二.範例
1.wxml
1.wxml
#
<span style="font-family:Comic Sans MS;font-size:18px;color:#333333;"><view class="container"> <view wx:for="{{imgalist}}" wx:for-item="image" class="previewimg"> <image src="{{image}}" src="{{image}}" bindtap="previewImage"></image> </view> </view></span>
2.wxss
<span style="font-family:Comic Sans MS;font-size:18px;color:#333333;">.container { box-sizing:border-box; padding:20px; } .previewimg{ float:left; width:45%; height:200px; margin:2%; } .previewimg image{ width:100%; height:100%; }</span>
<span style="font-family:Comic Sans MS;font-size:18px;color:#333333;">var app = getApp() Page({ data: { imgalist:[ 'https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1496287851&di=0a26048f586b8521 93cb5026d60c4fad&imgtype=jpg&er=1&src=http%3A%2F%2Fpic.58pic.com%2F58pic%2F12%2F74%2F05%2F99C58PICYck.jpg', 'https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1495693185413&di=0d0acdebf0f532edd0fcdb7 6265623c5&imgtype=0&src=http%3A%2F%2Fimg1.3lian.com%2Fimg013%2Fv3%2F2%2Fd%2F61.jpg', 'https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1495693185413&di=55835ae37fdc95a317b03f28162c0 de1&imgtype=0&src=http%3A%2F%2Fimg4.duitang.com%2Fuploads%2Fitem%2F201307%2F12%2F20130712224237_nSjht.jpeg', 'https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1495693185410&di=e28cc03d2ae84130eabc2 6bf0fc7495f&imgtype=0&src=http%3A%2F%2Fpic36.photophoto.cn%2F20150814%2F0005018308986502_b.jpg' ]}, /** * 预览图片 */ previewImage: function (e) { var current=e.target.dataset.src; wx.previewImage({ current: current, // 当前显示图片的http链接 urls: this.data.imgalist // 需要预览的图片http链接列表 }) } })</span>
<span style="font-family:Comic Sans MS;font-size:18px;color:#333333;">var app = getApp() Page({ data: { imgalist:[ '../uploads/a01.jpg', '../uploads/a02.jpg', '../uploads/a03.jpg', '../uploads/foods.jpg' ]}, /** * 预览图片 */ previewImage: function (e) { var current=e.target.dataset.src; wx.previewImage({ current: current, // 当前显示图片的http链接 urls: this.data.imgalist // 需要预览的图片http链接列表 }) } }) </span>
<view class='detail_img'> <view class='view_img' wx:for="{{imglist}}" wx:for-item="image"> <image src='{{image}}' src="{{image}}" bindtap="previewImage"></image> </view> <view style='clear:both;'></view> </view>
data: { imglist:['图片链接','图片链接','图片链接'] }, /** * 预览图片 */ previewImage: function (e) { var current = e.target.dataset.src; wx.previewImage({ current: current, // 当前显示图片的http链接 urls: this.data.imglist // 需要预览的图片http链接列表 }) } ,
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