restclient是一个简单易用的RESTFUL客户端（连接池）。
内置interface转换器：
- bytes
- string
- xml
- json
- yaml
内置支持认证方式：
- Basic Auth
- Digest Auth
- Token Auth
使用命令安装：
go get github.com/ydx1011/restclient
可以在创建默认client时对其进行配置，支持的options请参照options的API说明
使用为
// restclient.New(Option1, Option2 ... OptionN), 例:
client := restclient.New(restclient.SetTimeout(10*time.Second))
//设置读写超时
restclient.SetTimeout(timeout time.Duration)
//配置初始转换器列表
restclient.SetConverters(convs []Converter)
//配置连接池
restclient.SetRoundTripper(tripper http.RoundTripper)
// 增加处理filter
restclient.AddFilter(filters ...Filter)
//配置request创建器
restclient.SetRequestCreator(f RequestCreator)
// CookieJar 配置http.Client的CookieJar
restclient.CookieJar(jar http.CookieJar)
// 配置http客户端创建器
restclient.SetClientCreator(cliCreator HttpClientCreator)
请参照http.transport的API说明
- 使用request传递http请求参数
//使用默认配置
client := restclient.New()
resp := &Response{}
err := client.Exchange("http://localhost:8080/test",
request.WithResult(&ret),
request.WithResponse(resp, false))
- 使用request builder创建和传递http请求参数
err := client.Exchange("http://localhost:8080/error",
restclient.NewRequest().
MethodPost().
RequestBody(req).
Result(&resp).
Build())
使用filter.Filter进行行为控制和扩展功能，如增加client的输入输出日志：
client := restclient.New(restclient.AddIFilter(filter.NewLog(xlog.GetLogger(), "")))
resp := &Response{}
err := client.Exchange("http://localhost:8080/test",
request.WithResult(&ret),
request.WithResponse(resp, false))
可以自行实现IFilter接口，并注册到restclient扩展其功能
o := restclient.New(restclient.SetTimeout(time.Second))
auth := filter.NewBasicAuth("user", "password")
client := restclient.New(restclient.AddIFilter(auth))
resp := &Response{}
err := client.Exchange("http://localhost:8080/test",
request.WithResult(&ret),
request.WithResponse(resp, false))
//change username and password
auth.ResetCredentials(username, password)
auth := filter.NewDigestAuth("user", "password")
client := restclient.New(restclient.AddIFilter(auth))
resp := &Response{}
err := client.Exchange("http://localhost:8080/test",
request.WithResult(&ret),
request.WithResponse(resp, false))
//change username and password
auth.ResetCredentials(username, password)
auth := filter.NewAccessTokenAuth("{TOKEN}")
client := restclient.New(restclient.AddIFilter(auth))
resp := &Response{}
err := client.Exchange("http://localhost:8080/test",
request.WithResult(&ret),
request.WithResponse(resp, false))
//change username and password
auth.ResetCredentials("{TOKEN}")
client := restclient.New(restclient.AddIFilter(filter.NewLog(xlog.GetLogger(), "")))
resp := &Response{}
err := client.Exchange("http://localhost:8080/test",
request.WithResult(&ret),
request.WithResponse(resp, false))
client := restclient.New(restclient.AddIFilter(filter.NewRecovery(xlog.GetLogger())))
resp := &Response{}
err := client.Exchange("http://localhost:8080/test",
request.WithResult(&ret),
request.WithResponse(resp, false))
可以使用restclient.NewUrlBuilder为url添加参数，快速构建请求路径
builder := restclient.NewUrlBuilder("x/:a/tt/:b?")
builder.PathVariable("a", "1")
builder.PathVariable("b", 2)
builder.QueryVariable("c", 100)
builder.QueryVariable("d", 1.1)
url := builder.Build()
