<button class="avatar" open-type="chooseAvatar" @chooseavatar="onChooseAvatar">
							<image :src="avatarUrl" class="avatar-img"></image>
						</button>
// 微信頭像修改
			onChooseAvatar(e) {
				this.uploadFile(e.detail.avatarUrl)
			},
/* 上傳頭像轉(zhuǎn)化格式*/
			    uploadFile(avatarUrl){
			      uni.uploadFile({
			        url: this.fetch.fileUrl() + '/api/upload/uploadimages',//后臺接口
			        filePath: avatarUrl,// 上傳圖片 url
			        name:'image',
			        header: {
			          'content-type': 'multipart/form-data',
			          'token': uni.getStorageSync('token')
			        }, // header 值
			        success: res => {
			          let obj = JSON.parse(res.data)
			          console.log('obj', obj)
			          if (obj. status == 'True') {
			           this.avatarUrl = obj.data
			          } else {
			            this.common.toast(obj.msg)
			          }
			        },
			        fail: e => {
						this.common.toast("上傳失敗")
			        }
			      });
			    },

/*
 * @Author: lmy
 * @Date: 2023-10-26 15:12:13
 * @LastEditors: lmy
 * @LastEditTime: 2023-10-27 10:40:14
 * @FilePath: \Project_UNI-APP_API\Main_Upload_Images.go
 * @Description: 正式版
 */
package main
 
import (
	"bytes"
	"io"
	"net/http"
	"path"
	"strings"
 
	"cntotal.com/sbjapi/xfileserviceapi"
	"cntotal.com/sbjbase/xjson"
	"cntotal.com/sbjlog"
)
 
// uploadImages 上傳圖片
func uploadImages(w http.ResponseWriter, r *http.Request) {
	apiWriteHandler("", verifyUploadImages, &APIContext{Writer: w, Request: r, IsReadBody: true}, false)
}
 
// verifyUploadImages 上傳圖片
func verifyUploadImages(a *APIContext) bool {
	defer func() {
		if err := recover(); err != nil {
			sbjlog.ExcLog("100", "[%s]verifyUploadImages-小程序登錄：%s", a.Flag.Code, err)
		}
	}()
	uploadFile, handle, err := a.Request.FormFile("image")
	ext := strings.ToLower(path.Ext(handle.Filename))
	if ext != ".jpg" && ext != ".png" && ext != ".jpeg" {
		a.Resp.Msg = "只支持jpg/jpeg/png圖片上傳"
		return false
	}
	var buff = new(bytes.Buffer)
	_, _ = io.Copy(buff, uploadFile)
	buffByte := buff.Bytes()
	dataStr, err := xfileserviceapi.UploadTempFile(handle.Filename, &buffByte)
	if err != nil {
		sbjlog.Debug("xfileserviceapi.UploadTempFile 上傳圖片失敗,圖片名稱：%v,err:%v ", handle.Filename, err)
		a.Resp.Msg = "上傳圖片失敗"
		return false
	}
	returnData := xjson.JSONToMapString(dataStr)
	fileurl := returnData["fileurl"]
	if fileurl == "" {
		a.Resp.Msg = "上傳圖片失敗"
		return false
	}
	a.Resp.Data = fileurl
	a.Resp.Msg = "上傳圖片成功"
	return true
}

package main
 
import (
	"net/http"
	"strings"
 
	"cntotal.com/sbjbase"
	"cntotal.com/sbjlog"
 
	systemdb "cntotal.com/ProjectDBLibrary/system/DB"
	"cntotal.com/sbjbase/xalgorithm"
	"cntotal.com/sbjbase/xjson"
)
 
// 上傳臨時文件
func type23(w http.ResponseWriter, r *http.Request) {
	apiWriteHandler("23", verify23, &APIContext{Writer: w, Request: r})
}
 
// 上傳臨時文件
func verify23(a *APIContext) bool {
	var err error
	fileName := a.WordData["fileName"]
	uploadType := a.WordData["uploadType"] // 上傳方式 10=覆蓋上傳 | 為空代表非覆蓋，生成隨機(jī)文件名
	Tp := a.WordData["Tp"]
	CheckKey := a.WordData["CheckKey"]
	//檢驗(yàn)CheckKey
	sCheckKey := xalgorithm.MD5ToUpper32(xalgorithm.MD5ToUpper32(xalgorithm.MD5ToUpper32(fileName + Tp)[:15]))
 
	if CheckKey != sCheckKey {
		a.Resp.Msg = "CheckKey 驗(yàn)證不通過"
		return false
	}
	//驗(yàn)證參數(shù)值
	if fileName == "" {
		a.Resp.Msg = "fileName臨時文件名不能為空"
		return false
	}
	//寫入文件日志
	var systemFileLog systemdb.SystemFileLog
	systemFileLog.Status = 10                      // 狀態(tài) = 正常
	systemFileLog.EnvironmentType = runEnvironment // 環(huán)境變量
	systemFileLog.Pid = a.ProgramID                // 上傳程序ID
	systemFileLog.Type = 10                        // 類型=上傳
	systemFileLog.FileType = 40                    // 文件類型 40=臨時文件
	systemFileLog.IP = a.RequestIP                 // 上傳IP
	//處理保存 文件屬性
	fileProgramID := a.ProgramID //文件歸屬程序 (關(guān)系到文件的路徑寫入)
	if a.WordData["isProjectFile"] == "1" {
		fileProgramID = a.ProgramID / 100 * 100 //取整數(shù) 710020 / 100 = 710000
	}
	// 定義是否隨機(jī)文件名 | 如果不是覆蓋上傳，則填充隨機(jī)文件名
	randomName := uploadType != "10"
	// 獲取保存文件路徑信息
	saveFilePath := getPathWithTempFile(fileProgramID, fileName, randomName)
	systemFileLog.FilePath = saveFilePath.FilePath
	// systemFileLog.FilePath, _, filename, fileext = GetPathWithTempFile(fileProgramID, tempPath)
	if strings.Index(saveFilePath.FileName, ".") == 0 {
		a.Resp.Msg = "文件名格式不正確"
		return false
	}
	if indexStringArray(tempFileExt, saveFilePath.FileExt) == -1 {
		a.Resp.Msg = "不滿足臨時文件文件格式"
		return false
	}
	// 因?yàn)閿?shù)據(jù)已經(jīng)轉(zhuǎn)為了base64 ，源文件大小 * 133% = 現(xiàn)在大小 。 所以當(dāng)前大小 / 133% = 原文件大小
	// 提前判斷的原因：在前面提前讀取判斷防止無效讀取文件，避免流量損失
	if a.Request.ContentLength*3/4 > int64(tempFileSize) {
		a.Resp.Msg = "臨時文件文件超出大小" + getMegabytesString(fileSize) + "限制"
		return false
	}
	// 讀取數(shù)據(jù)保存到指定路徑 | 并計算文件md5
	var tfMd5 string
	systemFileLog.FileLength, tfMd5, err = readBodyFileToPath(a.Request, systemFileLog.FilePath)
	if err != nil {
		sbjlog.Debug("verify23-readBodyFileToCacheDir Error:%s", err.Error())
		a.Resp.Msg = "讀取上傳文件出現(xiàn)異常"
		return false
	}
	// 寫入臨時文件上傳日志
	sflid := systemdb.InsertSystemFileLog(systemFileLog)
	if sflid < 1 {
		a.Resp.Msg = "新增文件日志失敗"
		return false
	}
	a.Resp.Data, _ = sbjbase.AESEncrypt(
		xjson.MapToJSON(
			map[string]interface{}{
				"fileid":  sflid,
				"fileurl": fileHost + strings.TrimPrefix(systemFileLog.FilePath, "./"),
				"filemd5": tfMd5}),
		CheckKey[:16])
	return true
}

// readBodyFileToCacheDir 讀取傳輸?shù)奈募４娴骄彺嫖募A
// 返回 臨時存儲地址，文件MD5，錯誤信息
func readBodyFileToCacheDir(r *http.Request) (filepath string, filesize int, md5Str string, err error) {
	filepath = cacheFileDir + fmt.Sprintf("%s_%s.temp", time.Now().Format("20060102150405"), xstring.RandomString(12, ""))
	filesize, md5Str, err = readBodyFileToPath(r, filepath)
	return
}
 
// readBodyFileToPath 從Body中讀取文件保存到指定路徑
func readBodyFileToPath(r *http.Request, filepath string) (filesize int, md5Str string, err error) {
	var f *os.File
	f, err = os.Create(filepath)
	if err != nil {
		return
	}
	defer f.Close()
	// 按照Base64 編碼分塊讀取數(shù)據(jù)到文件 ? 問題:未到限定步長
	_, err = xbinary.Copy(f, r.Body, 32*1024, xbinary.EncodeBase64)
	if err != nil {
		return
	}
	// 重置一下位置
	f.Seek(0, 0)
	var file os.FileInfo
	file, err = f.Stat()
	if err != nil {
		return
	}
	filesize = int(file.Size())
	if filesize <= 0 {
		err = errors.New("文件內(nèi)容為空")
		return
	}
	// 把文件重新讀出來 分塊進(jìn)行 MD5
	md5Str, err = xalgorithm.MD5BlocksToUpper32(f, 32*1024, xalgorithm.EncodeHexLower)
	return
}