前端页面布局:
<!-- 上传图片 -->
<!--miniprogram/pages/fb/fb.wxml-->
<view class=' ImgeContent'>
<view >图片上传</view>
<!-- 图片 -->
<view class="images_box">
<block>
<view class="img-v weui-uploader__bd">
<view class='pic' wx:for="{
{imgs}}" wx:for-item="item" wx:key="*this">
<image class='weui-uploader__img '
src="{
{item}}"
data-index="{
{index}}" mode="aspectFill" bindtap="previewImg">
<icon type='cancel' class="delete-btn" data-index="{
{index}}" catchtap="deleteImg"></icon>
</image>
</view>
<view hidden="{
{ShowBtn}}" class='img-box' bindtap="chooseImg" >
<image class='img' src='../../compones/assates/imgs/add.jpg'></image>
</view>
</view>
</block>
</view>
</view>
js代码:
// 选择图片 &&&
addPic1: function (e) {
var imgbox = this.data.imgbox;
console.log(imgbox)
var that = this;
var n = 9;
if (9 > imgbox.length > 0) {
n = 9 - imgbox.length;
} else if (imgbox.length == 9) {
n = 1;
}
wx.chooseImage({
count: n, // 默认9,设置图片张数
sizeType: ['original', 'compressed'], // 可以指定是原图还是压缩图,默认二者都有
sourceType: ['album', 'camera'], // 可以指定来源是相册还是相机,默认二者都有
success: function (res) {
// console.log(res.tempFilePaths)
// 返回选定照片的本地文件路径列表,tempFilePath可以作为img标签的src属性显示图片
var tempFilePaths = res.tempFilePaths
if (imgbox.length == 0) {
imgbox = tempFilePaths
} else if (9 > imgbox.length) {
imgbox = imgbox.concat(tempFilePaths);
}
that.setData({
imgbox: imgbox
});
}
})
},
//图片
chooseImg: function (e) {
var that = this;
var imgs = this.data.imgs;
if (imgs.length >= 6) {
this.setData({
lenMore: 1,
ShowBtn:true
});
setTimeout(function () {
that.setData({
lenMore: 0
});
}, 2500);
return false;
}
wx.chooseImage({
// count: 1, // 默认9
sizeType: ['original', 'compressed'], // 可以指定是原图还是压缩图,默认二者都有
sourceType: ['album', 'camera'], // 可以指定来源是相册还是相机,默认二者都有
success: function (res) {
// 返回选定照片的本地文件路径列表,tempFilePath可以作为img标签的src属性显示图片
var tempFilePaths = res.tempFilePaths;
var imgs = [];
// console.log(tempFilePaths + '----');
for (var i = 0; i < tempFilePaths.length; i++) {
if (imgs.length >= 6) {
that.setData({
imgs: imgs,
ShowBtn:true
});
return false;
} else {
imgs.push(tempFilePaths[i]);
}
}
// console.log(imgs);
that.setData({
imgs: imgs,
});
//上传图片
that.globalData.imgs = imgs
}
});
},
// 删除图片
// deleteImg: function (e) {
// var imgs = this.data.imgs;
// var index = e.currentTarget.dataset.index;
// imgs.splice(index, 1);
// this.setData({
// imgs: imgs
// });
// },
// 预览图片
previewImg: function (e) {
//获取当前图片的下标
var index = e.currentTarget.dataset.index;
//所有图片
var imgs = this.data.imgs;
wx.previewImage({
//当前显示图片
current: imgs[index],
//所有图片
urls: imgs
})
},
data 中:
data: {
imgs: [],//要上传的图片
},