我試圖開發一個小應用程序來在本地elasticsearch引擎上創建索引。我在前端使用angularjs,在後端使用spring-boot。它可以成功創建索引,但是,當我想要回顧前端的響應時,它會一直拋出錯誤。Angularjs http沒有來自Spring Boot的響應
下面是我AngularJS API調用:
app.service('ESIndexService', function($http) {
this.createESIndex = function(esindexObj) {
var settings = {
method: 'POST',
url: BASE_URL + "/ESIndex/createESIndex",
data: esindexObj
};
return $http(settings).then(function(response) {
console.log("response:"+response);
return response;
}, function(error) {
console.log("error:"+error);
return error;
});
};
});
然後,這是我的控制器:
@CrossOrigin
@RestController
@RequestMapping(value = "ESIndex")
public class ESIndexController {
@RequestMapping(value = "createESIndex", method = RequestMethod.POST)
public @ResponseBody String createIndex(@RequestBody ESIndex esIndex) {
try {
Settings settings = Settings.builder()
.put("xpack.security.user", String.format("%s:%s", Constants.ES_UNAME, Constants.ES_PWD)).build();
TransportClient client = new PreBuiltXPackTransportClient(settings)
.addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName(Constants.ES_HOST), Constants.ES_PORT));
CreateIndexResponse response = client.admin().indices().prepareCreate(esIndex.getName()).setSettings(Settings.builder()
.put("index.number_of_shards", esIndex.getNumberOfShards())
.put("index.number_of_replicas", esIndex.getNumberOfReplicas())).get();
client.close();
if(response.isAcknowledged() && response.isShardsAcked())
return Constants.SUCCESS;
else
return "Fail to create index!";
} catch (Exception e) {
e.printStackTrace();
return e.getMessage();
}
}
}
我想在AngularJS響應響應狀態和數據。然而,它一直拋出我的錯誤:
error:SyntaxError: Unexpected token i in JSON at position 0
我沒有使用JSON.parse函數,爲什麼它會給我這樣的錯誤?
添加的responseType後: '文字',仍拋出同樣的錯誤,nextwork
原來我需要添加 「transformResponse:未定義」 鉻,但是,在我的另一項目,我從來沒有這樣做過。有什麼不同?
AngularJS:
this.newBlog = function(blogObj) {
var settings = {
method: 'POST',
url: baseUrl + "/blog/newBlog.do",
data: blogObj
}
return $http(settings).then(function(response) {
return response;
}, function(error) {
return error;
});
};
Java的控制器:
@RequestMapping(value="newBlog.do", method=RequestMethod.POST)
public @ResponseBody String newBlog(@RequestBody Blog blog, HttpServletRequest request) {
User createdBy = (User) request.getSession().getAttribute("user");
if(createdBy == null)
return NO_SESSION_MSG;
else {
createdBy.setPwd(null);
blog.setCreatedAt(TQBUtilities.getCurrentTime());
blog.setLastUpdatedAt(TQBUtilities.getCurrentTime());
blog.setCreatedBy(createdBy);
return blogService.newBlog(blog);
}
}
那麼,該服務不會返回有效的JSON。打開瀏覽器的開發工具(F12/Cmd-Alt-I),進入網絡面板,看看你得到了什麼迴應。您應該刪除'function(error)'回調函數,因爲它會將錯誤轉換爲成功。 –
在做了一些更多的尋找之後,你可以嘗試這裏找到這個解決方案:http://stackoverflow.com/a/27765419/2002257 – jheimbouch
@jheimbouch transformResponse:undefined作品! – TommyQu