package util
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"log"
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"mime/multipart"
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"net/http"
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"time"
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)
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var weedfsUri = "http://192.168.1.182:9500/submit"
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func PostFormData(uri string, filename, paramName string, file multipart.File) (maps map[string]interface{}, err0 error) {
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body := &bytes.Buffer{}
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writer := multipart.NewWriter(body)
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_, err := writer.CreateFormFile(paramName, filename)
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if err != nil {
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return nil, err
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}
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boundary := writer.Boundary()
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//close_string := fmt.Sprintf("\r\n--%s--\r\n", boundary)
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close_buf := bytes.NewBufferString(fmt.Sprintf("\r\n--%s--\r\n", boundary))
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request_reader := io.MultiReader(body, file, close_buf)
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//_, err = io.Copy(part, file)
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//writer.WriteField(key, val)
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request, err := http.NewRequest("POST", uri, request_reader)
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request.Header.Add("Content-Type", writer.FormDataContentType())
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timeout := time.Duration(5 * time.Second) //超时时间50ms
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client := &http.Client{Timeout: timeout}
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resp, err := client.Do(request)
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if err != nil {
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log.Fatal(err)
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return nil, err
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}
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defer func() {
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if r := recover(); r != nil {
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fmt.Printf("panic的内容%v\n", r)
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msg := "上传图片服务器异常"
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if _, ok := r.(error); ok {
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msg = r.(error).Error()
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fmt.Println("panic--recover()得到的是error类型")
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}
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if _, ok := r.(string); ok {
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msg = r.(string)
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fmt.Println("panic--recover()得到的是string类型")
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}
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err0 = errors.New(msg)
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}
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}()
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defer resp.Body.Close()
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body = &bytes.Buffer{}
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_, err = body.ReadFrom(resp.Body)
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if err != nil {
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log.Fatal(err)
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}
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fmt.Println(resp.StatusCode)
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//fmt.Println(body)
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//decoder := json.NewDecoder(strings.NewReader(body.String()))
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decoder := make(map[string]interface{})
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if err := json.Unmarshal([]byte(body.String()), &decoder); err != nil {
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return nil, err
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}
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return decoder, nil
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}
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