golang switch case 条件判断
func GenRandomString(c *gin.Context) {
length := c.DefaultQuery("length","16")
len, err := strconv.Atoi(length)
switch {
case err == nil && len > 1024:
len = 1024
default:
len =16
}
c.JSON(http.StatusOK, gin.H{
"length": len,
"password": tools.GEN(len),
})
}