今天請求百度的鷹眼服務返回下面的錯誤：

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org.springframework.web.client.RestClientException: Could not extract response: no suitable HttpMessageConverter found for response type [class com.GetDistanceResultDto] and content type [text/javascript;charset=UTF-8]at org.springframework.web.client.HttpMessageConverterExtractor.extractData(HttpMessageConverterExtractor.java:121)at org.springframework.web.client.RestTemplate$ResponseEntityResponseExtractor.extractData(RestTemplate.java:994)at org.springframework.web.client.RestTemplate$ResponseEntityResponseExtractor.extractData(RestTemplate.java:977)at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:736)at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:669)at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:607)at com.hebeiwanteng.drivingserver.basic.utils.HttpRequsetUtil.exchange(HttpRequsetUtil.java:84)

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無法提取響應：沒有為響應類型[class com..getDistanceResultTo]和內容類型[text/javascript]找到合適的HttpMessageConverter；字符集=UTF-8]

這一下就知道怎么處理了? 在 HttpMessageConverter??增加?MediaType 是 ?[text/javascript] 類型的；

代碼如下：

private static final RestTemplate restTemplate = createRestTemplate();synchronized static RestTemplate createRestTemplate() {RestTemplate restTemplate = new RestTemplate();MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter();mappingJackson2HttpMessageConverter.setSupportedMediaTypes(Arrays.asList(MediaType.APPLICATION_JSON_UTF8,MediaType.APPLICATION_JSON,MediaType.TEXT_HTML,MediaType.TEXT_PLAIN));restTemplate.getMessageConverters().add(mappingJackson2HttpMessageConverter);return restTemplate;}

重點來了：

org.springframework.http.MediaType 中沒有 ?[text/javascript] .

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所以需要自己定義代碼如下：

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MediaType textMediaType = MediaType.parseMediaType("text/javascript;charset=UTF-8");

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把自己定義的?textMediaType? 添加到上面自己定義的?MappingJackson2HttpMessageConverter 中；

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synchronized static RestTemplate createRestTemplate() {RestTemplate restTemplate = new RestTemplate();MediaType textMediaType = MediaType.parseMediaType("text/javascript;charset=UTF-8");MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter();mappingJackson2HttpMessageConverter.setSupportedMediaTypes(Arrays.asList(MediaType.APPLICATION_JSON_UTF8,MediaType.APPLICATION_JSON,MediaType.TEXT_HTML,textMediaType,MediaType.TEXT_PLAIN));restTemplate.getMessageConverters().add(mappingJackson2HttpMessageConverter);return restTemplate;}

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