23 lines
579 B
Go
23 lines
579 B
Go
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package main
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import (
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"fmt"
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"github.com/gin-gonic/gin"
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"net/http"
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)
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// url 参数
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// 可以通过DefaultQuery()或者Query()方法获取
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// DefaultQuery() 若参数不存在则返回默认值
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// Query() 若参数不存在 则返回空串
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func main() {
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r := gin.Default()
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r.GET("/welcome", func(c *gin.Context) {
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name := c.DefaultQuery("name", "wangao") //第二个参数是默认值
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c.String(http.StatusOK, fmt.Sprintf("hello %s", name))
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})
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r.Run(":8000")
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//访问 /welcome 返回的是hello wangao (默认值)
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//访问 /welcome?name=Jack 返回的是hello Jack
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}
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