2021-07-24 21:37:28 +08:00
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// Package request...
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//
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// Description : 解析请求
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 2021-07-24 8:53 下午
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package request
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import (
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"encoding/json"
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"io"
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"mime/multipart"
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"net/http"
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"net/url"
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"strings"
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"git.zhangdeman.cn/zhangdeman/gopkg/easymap"
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"github.com/pkg/errors"
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"github.com/gin-gonic/gin"
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)
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// ParseRequestParam 解析请求数据
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 8:52 下午 2021/9/14
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func ParseRequestParam(ctx *gin.Context) (easymap.EasyMap, error) {
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switch ctx.Request.Method {
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case http.MethodPost:
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return ParsePostRequestBody(ctx)
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default:
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return ParseGetRequestBody(ctx)
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}
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}
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2021-07-24 21:37:28 +08:00
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// ParseGetRequestURI 解析URL请求参数
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 9:03 下午 2021/7/24
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func ParseGetRequestURI(url *url.URL) map[string][]string {
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url.RawQuery = strings.TrimSpace(url.RawQuery)
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parseResult := make(map[string][]string)
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if len(url.RawQuery) == 0 {
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return parseResult
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}
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requestURIArr := strings.Split(url.RawQuery, "&")
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for _, kvPair := range requestURIArr {
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kvPair = strings.TrimSpace(kvPair)
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if len(kvPair) == 0 {
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continue
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}
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kvArr := strings.Split(kvPair, "=")
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_, keyExist := parseResult[kvArr[0]]
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if len(kvArr) == 1 {
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// 识别到 ?a=1&b=2&c 这种格式,默认补齐成 ?a=1&b=2&c=
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if keyExist {
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parseResult[kvPair] = append(parseResult[kvPair], "")
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} else {
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parseResult[kvPair] = []string{""}
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}
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continue
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}
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// 兼容参数值中包含=的情况
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if keyExist {
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parseResult[kvArr[0]] = append(parseResult[kvArr[0]], strings.Join(kvArr[1:], "="))
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} else {
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parseResult[kvArr[0]] = []string{strings.Join(kvArr[1:], "=")}
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}
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}
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return parseResult
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}
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// ParseGetRequestBody 解析get请求的body
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//
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// Author : zhangdeman001@ke.com<白茶清欢>
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//
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// Date : 9:07 下午 2021/7/24
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func ParseGetRequestBody(ctx *gin.Context) (easymap.EasyMap, error) {
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result := easymap.NewNormal(true)
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urlRaw := strings.TrimLeft(ctx.Request.URL.RawQuery, "/")
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queryArr := strings.Split(urlRaw, "&")
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for _, itemPair := range queryArr {
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itemPairArr := strings.Split(itemPair, "=")
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if len(itemPairArr) == 0 {
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continue
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}
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if len(itemPairArr) == 1 {
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result.Set(itemPairArr[0], "")
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} else {
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result.Set(itemPairArr[0], strings.Join(itemPairArr[1:], "="))
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}
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}
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return result, nil
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}
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// ParsePostRequestBody 解析post请求参数
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 7:38 下午 2021/9/14
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func ParsePostRequestBody(ctx *gin.Context) (easymap.EasyMap, error) {
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contentType := strings.ToLower(ctx.ContentType())
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if strings.Contains(contentType, "application/json") {
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// application/json 请求参数
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return ParsePostRequestForApplicationJSON(ctx)
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}
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if strings.Contains(contentType, "x-www-form-urlencoded") {
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// Content-Type: application/x-www-form-urlencoded 请求方法
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return ParsePostRequestForApplicationFormURLEncoded(ctx)
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}
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if strings.Contains(contentType, "form-data") {
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// multipart/form-data 请求方法
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return ParsePostRequestForFormData(ctx)
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}
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return easymap.NewNormal(true), errors.New("content-type : " + contentType + " is not support")
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}
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// ParsePostRequestForApplicationJSON 解析application/json请求
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 8:00 下午 2021/9/14
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func ParsePostRequestForApplicationJSON(ctx *gin.Context) (easymap.EasyMap, error) {
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var (
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err error
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result map[string]interface{}
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)
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finalResult := easymap.NewNormal(true)
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decoder := json.NewDecoder(ctx.Request.Body)
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decoder.UseNumber()
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if err = decoder.Decode(&result); nil != err {
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return finalResult, err
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}
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for k, v := range result {
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finalResult.Set(k, v)
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}
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return finalResult, nil
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}
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// ParsePostRequestForApplicationFormURLEncoded 解析 application/x-www-form-urlencoded 表单
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 8:11 下午 2021/9/14
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func ParsePostRequestForApplicationFormURLEncoded(ctx *gin.Context) (easymap.EasyMap, error) {
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var (
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err error
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result easymap.EasyMap
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byteData []byte
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)
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result = easymap.NewNormal(true)
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if byteData, err = io.ReadAll(ctx.Request.Body); nil != err {
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return result, err
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}
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tmpResult := make(map[string][]string)
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orgArr := strings.Split(string(byteData), "&")
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for _, kvPair := range orgArr {
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kv := strings.Split(kvPair, "=")
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if len(kv) == 0 {
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continue
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}
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if _, exist := tmpResult[kv[0]]; !exist {
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tmpResult[kv[0]] = make([]string, 0)
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}
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if len(kv) == 1 {
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tmpResult[kv[0]] = append(tmpResult[kv[0]], "")
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} else {
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tmpResult[kv[0]] = append(tmpResult[kv[0]], strings.Join(kv[1:], "="))
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}
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}
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for k, v := range tmpResult {
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result.Set(k, v)
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}
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return result, err
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}
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// ParsePostRequestForFormData 解析 multipart/form-data 表单数据
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 8:17 下午 2021/9/14
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func ParsePostRequestForFormData(ctx *gin.Context) (easymap.EasyMap, error) {
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var (
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err error
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result easymap.EasyMap
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tmp *multipart.Form
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)
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result = easymap.NewNormal(true)
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if tmp, err = ctx.MultipartForm(); nil != err {
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return result, err
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}
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for k, v := range tmp.Value {
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result.Set(k, v)
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}
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return result, nil
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}
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