通過(guò)管道進(jìn)行處理機(jī)制
package main
import (
"fmt"
"github.com/gin-gonic/gin"
"io/ioutil"
"os"
"strconv"
)
var sema = make(chan struct{},1)
func main() {
r := gin.Default()
r.GET("/ping",func(c *gin.Context) {
c.JSON(200, gin.H{
"message":"pong",
})
})
r.GET("/test",func(context *gin.Context) {
file2, _ := os.OpenFile("./3.txt", os.O_RDWR|os.O_APPEND,0766)
defer file2.Close()
file2.WriteString("11\r\n");
quUser()
getU()
context.JSON(200, gin.H{
"message":"test",
})
})
r.Run(":3300")// listen and serve on 0.0.0.0:8080
}
func quUser() int {
sema <-struct{}{}
data, err := ioutil.ReadFile("./2.txt")
if err != nil {
}
balance, _ := strconv.Atoi(string(data))
balance = balance+1
? fmt.Println(balance,"存余額\r\n")
file, _ := os.OpenFile("./2.txt", os.O_RDWR,0766)
defer file.Close()
file.WriteString(strconv.Itoa(balance));
<-sema
return balance
}
func getU() {
sema <-struct{}{}
data, err := ioutil.ReadFile("./2.txt")
if err != nil {
}
balance, _ := strconv.Atoi(string(data))
fmt.Println(balance,"取余額\r\n")
<-sema
}
