我试图开发一个小应用程序来在本地elasticsearch引擎上创建索引。我在前端使用angularjs,在后端使用spring-boot。它可以成功创建索引,但是,当我想要回顾前端的响应时,它会一直抛出错误。Angularjs http没有来自Spring Boot的响应
下面是我AngularJS API调用:
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;
});
};
});
然后,这是我的控制器:
@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响应响应状态和数据。然而,它一直抛出我的错误:
error:SyntaxError: Unexpected token i in JSON at position 0
我没有使用JSON.parse函数,为什么它会给我这样的错误?
添加的responseType后: '文字',仍抛出同样的错误,nextwork
原来我需要添加 “transformResponse:未定义” 铬,但是,在我的另一项目,我从来没有这样做过。有什么不同?
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);
}
}
那么,该服务不会返回有效的JSON。打开浏览器的开发工具(F12/Cmd-Alt-I),进入网络面板,看看你得到了什么回应。您应该删除'function(error)'回调函数,因为它会将错误转换为成功。 –
在做了一些更多的寻找之后,你可以尝试这里找到这个解决方案:http://stackoverflow.com/a/27765419/2002257 – jheimbouch
@jheimbouch transformResponse:undefined作品! – TommyQu