restTemplate
.
setRequestFactory
(
new
BufferingClientHttpRequestFactory
(
httpRequestFactory
));
return
restTemplate
;
@Bean
public
ClientHttpRequestFactory
simpleClientHttpRequestFactory
()
{
SimpleClientHttpRequestFactory
factory
=
new
SimpleClientHttpRequestFactory
();
factory
.
setConnectTimeout
(
15000
);
factory
.
setReadTimeout
(
5000
);
return
factory
;
LoggingClientHttpRequestInterceptor 类：
@Slf4j
public
class
LoggingClientHttpRequestInterceptor
implements
ClientHttpRequestInterceptor
{
@Override
public
ClientHttpResponse
intercept
(
HttpRequest
request
,
byte
[]
body
,
ClientHttpRequestExecution
execution
)
throws
IOException
{
traceRequest
(
request
,
body
);
ClientHttpResponse
response
=
execution
.
execute
(
request
,
body
);
traceResponse
(
response
);
return
response
;
private
void
traceRequest
(
HttpRequest
request
,
byte
[]
body
)
{
log
.
info
(
"=========================== request begin ==========================="
);
log
.
info
(
"uri : {}"
,
request
.
getURI
());
log
.
info
(
"method : {}"
,
request
.
getMethod
());
log
.
info
(
"headers : {}"
,
request
.
getHeaders
());
log
.
info
(
"request body : {}"
,
new
String
(
body
,
StandardCharsets
.
UTF_8
));
log
.
info
(
"============================ request end ============================"
);
private
void
traceResponse
(
ClientHttpResponse
httpResponse
)
throws
IOException
{
StringBuilder
inputStringBuilder
=
new
StringBuilder
();
BufferedReader
bufferedReader
=
new
BufferedReader
(
new
InputStreamReader
(
httpResponse
.
getBody
(),
StandardCharsets
.
UTF_8
));
String
line
=
bufferedReader
.
readLine
();
while
(
line
!=
null
)
{
inputStringBuilder
.
append
(
line
);
inputStringBuilder
.
append
(
'\n'
);
line
=
bufferedReader
.
readLine
();
log
.
info
(
"============================ response begin ============================"
);
log
.
info
(
"Status code : {}"
,
httpResponse
.
getStatusCode
());
log
.
info
(
"Status text : {}"
,
httpResponse
.
getStatusText
());
log
.
info
(
"Headers : {}"
,
httpResponse
.
getHeaders
());
log
.
info
(
"Response body: {}"
,
inputStringBuilder
.
toString
());
log
.
info
(
"============================= response end ============================="
);
这个功能不是手到擒来的（如果你按照上面的配置去搞，就是傻瓜版开启了这个功能），我开启这个功能时遇到了哪些问题？我找到教程前，已经有了自己的一份关于RestTemplate的配置，我不想对我的配置进行太大的改动，所以我只复制了我觉得重要的配置，即没有复制该行：restTemplate.setRequestFactory(new BufferingClientHttpRequestFactory(httpRequestFactory));
结果就导致了，日志信息明明看到了返回体有相关的信息，但是得到的对象总是为空。我仔细阅读了教程中的代码，发现漏了上面的一行。实际上我对底层的实现还是有点不太理解，目前先记录下来，把这些知识积累起来，这种知识积累多了后，可能就可以学习到更多的知识。
Spring RestTemplate配置拦截器打印请求URL和响应结果
Spring RestTemplate配置拦截器打印请求URL和响应结果
