feat：finish task

wonder-world/1doc_look_ME/问答平台（后端）.md

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+问答平台（后端）
+
+1.概述
+
+该后端程序实现注册登入，问题和回答的上传删除显示。
+
+***
+
+2.API
+
+（1）“/v1/register”（注册）
+
+name：用户名称
+
+telephone：用户电话
+
+password：密码
+
+（2）“/v1/login”（登入）
+
+telephone：用户电话
+
+password：用户密码
+
+（3）“/problem_hall/put”（输入问题）
+
+title：问题标题
+
+description：问题描述
+
+name：提问者账号名
+
+key：密匙（删除问题用密匙）  
+
+——问题名不可重复
+
+（4）“/problem_hall/delete”（删除问题）
+
+title：问题标题
+
+key：密匙（密匙正确可删除）
+
+（5）“/problem_hall/hall”（读取数据发送给前端）
+
+first：开始跳过的数据
+
+number：读取的数据数
+(6)"/problem_hall/research"(给题目读问题)
+title:问题题目
+
+（6）“/answer/put”（提供回答）
+
+description：回答内容
+
+key：密匙（删除回答）
+
+name：回答者账号名
+
+title：回答对应的问题标题
+
+（7）“/answer/delete”（删除问题）
+
+text：问题内容
+
+title：回答对应的问题标题
+
+key；密匙
+
+name：回答者的名字
+
+（8）“/answer/hall”（显示回答数据）
+
+title：问题标题
+
+first：开始跳过的数据
+
+number：读取的数据量
+(9)检验登入状态
+在操作问题和回答时会检验是否登入
+(10)登出
+name：在输入用户名
+
+***
+apifox链接:https://qsefuqgces.apifox.cn/
+***
+
+
+

wonder-world/account/import.go

@@ -0,0 +1,15 @@
+package account
+
+import "gorm.io/gorm"
+
+type User struct { //用户
+	gorm.Model `json:"gorm_._model"`
+	Name       string `json:"name,omitempty"`
+	Telephone  string `json:"telephone,omitempty"`
+	Password   string `json:"password,omitempty"`
+	ID         int    `json:"id,omitempty"`
+}
+type session struct {
+	Name  string
+	Value string
+}

wonder-world/account/login.go

@@ -0,0 +1,56 @@
+package account
+
+import (
+	"github.com/gin-gonic/gin"
+	"golang.org/x/crypto/bcrypt"
+	"strconv"
+	"wonder-world/db"
+	"wonder-world/tool"
+)
+
+func Login(c *gin.Context) {
+	db := db.Dbfrom()
+	telephone := c.PostForm("telephone")
+	password := c.PostForm("password")
+	var user User
+	db.Where("telephone = ?", telephone).First(&user)
+	if user.ID == 0 {
+		c.JSON(422, gin.H{
+			"code":    422,
+			"message": "用户不存在",
+		})
+		return
+	}
+	if err := bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(password)); err != nil {
+		c.JSON(422, gin.H{
+			"code":    422,
+			"message": "密码错误",
+		})
+		return
+	}
+	f := 1
+	for f == 1 {
+		name := tool.Randam()
+		value := tool.Randam()
+		_, err := c.Cookie(strconv.Itoa(name))
+		if err != nil {
+			f = -1
+			c.SetCookie(user.Name, strconv.Itoa(value), 3600, "/", "http://127.0.0.1:8080", false, false)
+			newsession := session{
+				Name:  strconv.Itoa(name),
+				Value: strconv.Itoa(value),
+			}
+			db.Create(&newsession)
+			c.JSON(200, gin.H{
+				"code":    200,
+				"message": "success",
+			})
+			return
+		}
+	}
+
+	c.JSON(422, gin.H{
+		"code":    422,
+		"message": "cookie failure",
+	})
+}

wonder-world/account/register.go

@@ -0,0 +1,61 @@
+package account
+
+import (
+	"github.com/gin-gonic/gin"
+	"golang.org/x/crypto/bcrypt"
+	"net/http"
+	"wonder-world/db"
+)
+
+func Register(c *gin.Context) {
+	db := db.Dbfrom()
+	var u User
+	u.Name = c.PostForm("name")
+	u.Password = c.PostForm("password")
+	u.Telephone = c.PostForm("telephone")
+	if len(u.Name) == 0 {
+		c.JSON(422, gin.H{
+			"code":    422,
+			"message": "用户名不能为空",
+		})
+		return
+	}
+	if len(u.Telephone) != 11 {
+		c.JSON(422, gin.H{
+			"code":    422,
+			"message": "手机号必须为11位",
+		})
+		return
+	}
+	if len(u.Password) <= 6 {
+		c.JSON(422, gin.H{
+			"code":    422,
+			"message": "密码不能少于6位",
+		})
+		return
+	}
+	var user User
+	db.Where("telephone = ?", u.Telephone).First(&user)
+	if user.ID != 0 {
+		c.JSON(422, gin.H{
+			"code":    422,
+			"message": "用户已存在",
+		})
+		return
+	}
+	hasedPassword, err := bcrypt.GenerateFromPassword([]byte(u.Password), bcrypt.DefaultCost)
+	if err != nil {
+		c.JSON(http.StatusUnprocessableEntity, gin.H{
+			"code":    500,
+			"message": "密码加密错误",
+		})
+		return
+	}
+	u.Password = string(hasedPassword)
+	db.Create(&u)
+	c.JSON(200, gin.H{
+		"code":    200,
+		"message": "success",
+	})
+
+}

wonder-world/answer/andelet.go

@@ -0,0 +1,58 @@
+package answer
+
+import (
+	"fmt"
+	"github.com/gin-gonic/gin"
+	db2 "wonder-world/db"
+	"wonder-world/test"
+)
+
+func Andelet(c *gin.Context) {
+	db := db2.Dbfrom()
+	f := 1
+	key := c.PostForm("key")
+	title := c.PostForm("title")
+	text := c.PostForm("text")
+	name := c.PostForm("name")
+	var user Ques
+	db.Where("title = ?", title).First(&user)
+	if user.ID == 0 {
+		c.JSON(422, gin.H{
+			"code":    422,
+			"message": "问题不存在",
+		})
+		return
+	}
+	if !test.Getcookie(c, name) {
+		c.JSON(422, gin.H{
+			"code":    422,
+			"message": "重登",
+		})
+		return
+	}
+	var use []Anse
+	db.Where("name = ?", name).Find(&use)
+	fmt.Println(use)
+	if user.ID != 0 {
+		for _, answer := range use {
+			if answer.Text == text {
+				if answer.Key == key {
+					f = 0
+					db.Delete(&answer)
+					break
+				}
+			}
+		}
+		if f == 1 {
+			c.JSON(422, gin.H{
+				"code":    422,
+				"message": "错误",
+			})
+			return
+		}
+		c.JSON(200, gin.H{
+			"code":    200,
+			"message": "success",
+		})
+	}
+}

wonder-world/answer/anhall.go

@@ -0,0 +1,26 @@
+package answer
+
+import (
+	"github.com/gin-gonic/gin"
+	"strconv"
+	db2 "wonder-world/db"
+)
+
+func Anhall(c *gin.Context) {
+	db := db2.Dbfrom()
+	number := c.PostForm("first")
+	number1 := c.PostForm("number")
+	title := c.PostForm("title")
+	var num, _ = strconv.Atoi(number)
+	num1, _ := strconv.Atoi(number1)
+	var user []Anse
+	db.Limit(num1).Offset(num).Find(&user)
+	for _, answer := range user {
+		if answer.Title == title {
+		}
+		c.JSON(200, gin.H{
+			"name": answer.Name,
+			"text": answer.Text,
+		})
+	}
+}

wonder-world/answer/anput.go

@@ -0,0 +1,52 @@
+package answer
+
+import (
+	"github.com/gin-gonic/gin"
+	db2 "wonder-world/db"
+	"wonder-world/test"
+)
+
+func Anput(c *gin.Context) {
+	db := db2.Dbfrom()
+	description := c.PostForm("description")
+	name := c.PostForm("name")
+	key := c.PostForm("key")
+	title := c.PostForm("title")
+	var user User
+	db.Where("name = ?", name).First(&user)
+	if user.ID == 0 {
+		c.JSON(422, gin.H{
+			"code":    422,
+			"message": "请输入正确的用户名",
+		})
+		return
+	}
+	if !test.Getcookie(c, name) {
+		c.JSON(422, gin.H{
+			"code":    422,
+			"message": "重登",
+		})
+		return
+	}
+	var use Ques
+	db.Where("title = ?", title).First(&use)
+	if use.ID == 0 {
+		c.JSON(422, gin.H{
+			"code":    422,
+			"message": "问题不存在",
+		})
+		return
+	}
+	newAnswer := Anse{
+		Name:  name,
+		Text:  description,
+		Key:   key,
+		Title: title,
+	}
+	db.Create(&newAnswer)
+	c.JSON(200, gin.H{
+		"code":    200,
+		"message": "success",
+	})
+
+}

wonder-world/answer/import.go

@@ -0,0 +1,25 @@
+package answer
+
+import "gorm.io/gorm"
+
+type User struct { //用户
+	gorm.Model `json:"gorm_._model"`
+	Name       string `json:"name,omitempty"`
+	Telephone  string `json:"telephone,omitempty"`
+	Password   string `json:"password,omitempty"`
+	ID         int    `json:"id,omitempty"`
+}
+type Ques struct { //问题
+	gorm.Model
+	Name  string
+	Title string
+	Put   string
+	Key   string
+}
+type Anse struct { //我、回答
+	Name  string `json:"name"`
+	Text  string `json:"text"`
+	Key   string `json:"key"`
+	Title string `json:"title"`
+	gorm.Model
+}