applets/components/upload/index.js

const app = getApp()
Component({
    properties: {
        list: { type: Array, value: [] },
        name: { type: String },
        count: { type: Number, value: 1 },
    },
    data: {},
    methods: {
        // 图片上传
        imgUpload() {

            const that = this;
            const name = that.data.name;
            wx.chooseImage({
                count: 1,
                sizeType: ['original', 'compressed'],
                sourceType: ['album', 'camera'],
                success(res) {
                    const file = res.tempFilePaths;
                    wx.uploadFile({
                        url: `${app.globalData.serverUrl}/files/test/upload`,
                        filePath: file[0],
                        name: 'file',
                        formData: {},
                        success: (arr) => {
                            let aee = JSON.parse(arr.data);
                            if (arr.statusCode == 200) {
                                that.triggerEvent('imgUpload', { data: { name: aee.name, url: `${app.globalData.serverUrl}` + aee.uri, uri: aee.uri }, name: name })
                            } else {
                                wx.showToast({ title: `${arr.errMsg}`, icon: 'error', duration: 2000 })
                            }
                        }
                    })
                }
            })

        },
        imgDel(e) {
            const that = this;
            const name = that.data.name;
            const { item, index } = e.currentTarget.dataset;
            that.triggerEvent('imgDel', { data: { file: item, index: index }, name: name })
        },
        // 预览
        toView: function (e) {
            const { item } = e.currentTarget.dataset;
            wx.previewImage({ current: '', urls: [item.url] })
        }
    }
})