[GitHub] liubao68 closed pull request #46: General development dir translation

[GitBox]

liubao68 closed pull request #46: General development dir translation 
URL: https://github.com/apache/incubator-servicecomb-docs/pull/46
 
 
   

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diff --git 
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diff --git a/java-chassis-reference/en_US/general-development/file-download.md 
b/java-chassis-reference/en_US/general-development/file-download.md
index 1a039aa..d6d274b 100644
--- a/java-chassis-reference/en_US/general-development/file-download.md
+++ b/java-chassis-reference/en_US/general-development/file-download.md
@@ -1,26 +1,26 @@
-文件下载，当前在vertx rest通道和servlet rest中可用。
+File downloads are currently available in the vertx rest channel and servlet 
rest.
 
-# 一、Producer
+# First, producer
 
-## 1.下载普通文件
+## 1. Download normal files
 
 ```
 return new File(......);
 ```
 
-## 2.下载临时文件
+## 2. Download temporary files
 
-本场景下，需要根据请求参数动态创建临时文件，下载完成后，需要将临时文件删除
+In this scenario, you need to create temporary files based on the request 
parameters dynamically. After the download is complete, you need to delete the 
temporary files.
 
 ```
 return new FilePart(file).setDeleteAfterFinished(true);
 ```
 
-## 3.下载org.springframework.core.io.Resource
+## 3. Download org.springframework.core.io.Resource
 
-因为resource不一定表示文件下载，所以需要通过swagger annotation（@ApiResponse）标识这是一个文件下载场景
+Because the resource does not necessarily mean file download, you need to 
identify this file download scenario by swagger annotation (@ApiResponse).
 
-以ByteArrayResource为例说明：
+Take ByteArrayResource as an example:
 
 ```
 @GetMapping(path = "/resource")
@@ -28,7 +28,7 @@ return new FilePart(file).setDeleteAfterFinished(true);
   @ApiResponse(code = 200, response = File.class, message = "")
 })
 public Resource resource() {
-  ……
+  ......
   return new ByteArrayResource(bytes) {
     @Override
     public String getFilename() {
@@ -38,7 +38,7 @@ public Resource resource() {
 }
 ```
 
-上例中，因为ByteArrayResource没有文件名的概念，所以需要实现Resource的getFilename方法，也可以通过ResponseEntity进行包装：
+In the above example, because ByteArrayResource does not have the concept of a 
file name, you need to implement the resource's getFilename method, or you can 
wrap it with ResponseEntity:
 
 ```
 @GetMapping(path = "/resource")
@@ -46,7 +46,7 @@ public Resource resource() {
   @ApiResponse(code = 200, response = File.class, message = "")
 })
 public ResponseEntity<Resource> resource() {
-  ……
+  ......
   return ResponseEntity
       .ok()
       .header(HttpHeaders.CONTENT_TYPE, MediaType.TEXT_PLAIN_VALUE)
@@ -55,11 +55,11 @@ public ResponseEntity<Resource> resource() {
 }
 ```
 
-## 4.下载InputStream
+## 4.Download InputStream
 
-因为InputStream不一定表示文件下载，所以需要通过swagger annotation（@ApiResponse）标识这是一个文件下载场景
+Because InputStream does not necessarily mean file downloading, it needs to be 
identified by swagger annotation (@ApiResponse). This is a file download 
scenario.
 
-有的场景下，资源并不保存在本地，比如保存在OBS云服务中，而OBS资源是以InputStream方式输出的
+In some scenarios, resources are not stored locally, such as in OBS cloud 
services, and OBS resources are output in InputStream mode.
 
 ```
 return ResponseEntity
@@ -69,75 +69,76 @@ return ResponseEntity
     .body(stream);
 ```
 
-在下载完成后，ServiceComb会自动关闭stream，开发人员不必再关注
+After the download is complete, ServiceComb will automatically close the 
stream, and developers don't have to pay attention
 
-## 5.文件类型判定
+## 5. File type determination
 
-只要没有通过ResponseEntity直接设置HttpHeaders.CONTENT\_TYPE，ServiceComb都会尝试通过File、Part、Resource中的文件名后缀进行自动判定。
+As long as the HttpHeaders.CONTENT\_TYPE is not set directly via 
ResponseEntity, ServiceComb will try to automatically determine the file name 
suffix in File, Part, and Resource.
 
-ServiceComb使用java的mime 
type机制进行文件类型判定，如果业务场景中的文件后缀无法被识别，ServiceComb会默认处理为application/octet-stream
+ServiceComb uses java's mime type mechanism for file type determination. If 
the file suffix in the business scenario cannot be identified, ServiceComb will 
default to application/octet-stream.
 
-如果这不满足要求，假设文件后缀为xyz，期望文件类型为application/file-xyz，以下方式任选一种均可解决：
+If this does not meet the requirements, assuming the file suffix is, and the 
expected file type is application/file-xyz, any of the following methods can be 
resolved:
 
-### 1）通过Java的mime type机制扩展
+### 1)Expanding through Java's mime type mechanism
 
-在META-INF目录下，创建mime.types文件，其内容为：
+In the META-INF directory, create a mime.  Types file with the contents:
 
 ```
 application/file-xyz xyz
 ```
 
-### 2）在业务代码中通过Part指定
+### 2) Specify by Part in the business code
 
 ```
 return new FilePart(null, file).contentType("application/file-xyz");
 ```
 
-### 3）在业务代码中通过ResponseEntity指定
+### 3) specified in the business code by ResponseEntity
 
 ```
 return ResponseEntity
     .ok()
     .header(HttpHeaders.CONTENT_TYPE, "application/file-xyz")
     .body(……);
+    .body(...);
 ```
 
-## 6.文件名
+## 6.File name
 
-只要没有通过ResponseEntity直接设置HttpHeaders.CONTENT\_DISPOSITION，ServiceComb都会尝试通过File、Part、Resource中的文件名生成HttpHeaders.CONTENT\_DISPOSITION，假设文件名为file.txt，则生成的数据如下：
+As long as HttpHeaders.CONTENT\_DISPOSITION is not set directly via 
ResponseEntity, ServiceComb will try to generate 
HttpHeaders.CONTENT\_DISPOSITION through the file names in File, Part, and 
Resource. Assuming the file name is file.txt, the generated data is as follows:
 
 ```
 Content-Disposition: attachment;filename=file.txt;filename*=utf-8’’file.txt
 ```
 
-不仅仅生成filename，还生成了filename\*，这是因为如果文件名中出现了中文、空格，并且filename正确地做了encode，ie、chrome都没有问题，但是firefox直接将encode后的串当作文件名直接使用了。firefox按照[https://tools.ietf.org/html/rtf6266](https://tools.ietf.org/html/rtf6266)，只对filename\*进行解码。
+Not only the filename is generated, but also filename\* is generated. This is 
because if there is Chinese, space, and filename correctly in the file name, 
i.e., chrome is fine, but firefox directly treats the string after the encoding 
as a text. The name of the item is used directly. Firefox only decodes 
filename\* according to [https://tools.ietf.org/html/rtf6266] 
(https://tools.ietf.org/html/rtf6266).
 
-如果业务代码中直接设置Content-Disposition，需要自行处理多浏览器支持的问题。
+If Content-Disposition is set directly in the business code, you need to 
handle the problems supported by multiple browsers.
 
-# 二、Consumer
+# Second, Consumer
 
-消费端统一使用org.apache.servicecomb.foundation.vertx.http.ReadStreamPart处理文件下载。
+The consumer side uses 
org.apache.servicecomb.foundation.vertx.http.ReadStreamPart to process file 
downloads.
 
-## 1.透明RPC
+## 1. Transparent RPC
 
 ```
-public interface ……{
-  ReadStreamPart download1(……);
-  ReadStreamPart download2(……);
+public interface ......{
+  ReadStreamPart download1(...);
+  ReadStreamPart download2(...);
 }
 ```
 
 ## 2.RestTemplate
 
-以get为例：
+Take get as an example:
 
 ```
 ReadStreamPart part = restTemplate.getForObject(url, ReadStreamPart.class);
 ```
 
-## 3.从ReadStreamPart读取数据
+## 3. Read data from ReadStreamPart
 
-ReadStreamPart提供了一系列方法，将数据流保存为本地数据：
+ReadStreamPart provides a set of methods to save the data stream as local data:
 
 ```
 org.apache.servicecomb.foundation.vertx.http.ReadStreamPart.saveAsBytes()
@@ -146,13 +147,13 @@ 
org.apache.servicecomb.foundation.vertx.http.ReadStreamPart.saveToFile(String)
 org.apache.servicecomb.foundation.vertx.http.ReadStreamPart.saveToFile(File, 
OpenOptions)
 ```
 
-注意：
+note:
 
-* 在得到ReadStreamPart实例时，并没有完成文件内容的下载，调用save系列方法才开始真正从网络上读取文件数据。
+* When the ReadStreamPart instance is obtained, the file content is not 
downloaded. The save series method is called to start reading the file data 
from the network.
 
-* 如果使用saveAsBytes、saveAsString，数据是直接保存在内存中的，如果下载的文件很大，会内存撑爆的风险。
+* If you use saveAsBytes, saveAsString, the data is directly stored in the 
memory; if the downloaded file is large, there will be a risk of memory 
explosion.
 
-* save系列方法，返回的都是CompletableFuture对象：
+* The save series method returns all CompletableFuture objects:
 
-  * 如果要阻塞等待下载完成，通过future.get\(\)即可
-  * 如果通过future.whenComplete进行异步回调处理，要注意回调是发生在网络线程中的，此时需要遵守reactive的线程规则。
+  * If you want to block waiting for the download to complete, you can use 
future.get\(\)
+  * If asynchronous callback processing is performed through 
future.whenComplete, be aware that callbacks occur in network threads, and you 
must follow the reactive thread rules.
diff --git a/java-chassis-reference/en_US/general-development/file-upload.md 
b/java-chassis-reference/en_US/general-development/file-upload.md
index 0f99b7b..8eeacb0 100644
--- a/java-chassis-reference/en_US/general-development/file-upload.md
+++ b/java-chassis-reference/en_US/general-development/file-upload.md
@@ -1,54 +1,54 @@
-文件上传，当前支持在vertx rest通道和servlet rest中使用。
+File upload, currently supported in vertx rest channel and servlet rest.
 
-文件上传使用标准的http form格式，可与浏览器的上传直接对接。
+File uploads use the standard http form format, which can directly upload the 
file from the browser.
 
-## Producer：
-支持jaxrs和springmvc开发模式
+## Producer:
+Support jaxrs and springmvc development mode
 
-jaxrs开发模式：
-* 支持servlet定义的javax.servlet.http.Part类型
+Jaxrs development model:
+* javax.servlet.http.Part type that supports servlet definitions
 
-* 可以直接使用@FormParam传递文件类型及普通参数
+* You can directly use @FormParam to pass file types and common parameters
 
-springmvc开发模式：
+Springmvc development mode:
 
-* 
支持servlet定义的javax.servlet.http.Part类型，也支持org.springframework.web.multipart.MultipartFile类型
+* Supports servlet-defined javax.servlet.http.Part type, also supports 
org.springframework.web.multipart.MultipartFile type
 
-* 两种数据类型功能是一致的，MultipartFile的底层也是Part
+* The two datatype functions are consistent, and the underlying part of 
MultipartFile is also Part
 
-* 两种数据类型可以混合使用，比如第一个参数是Part，第二个参数是MultipartFile
+* Two data types can be mixed, for example, the first parameter is Part and 
the second parameter is MultipartFile
 
-* 可以直接使用@RequestPart传递文件类型及普通参数
+* You can directly use @RequestPart to pass file types and common parameters
 
-注意：
+note:
 
-* 先配置文件上传临时目录，默认为null不支持文件上传，文件上传请求Content-Type必须为multipart/form-data
+* First file upload temporary directory, the default is null does not support 
file upload, file upload request Content-Type must be multipart/form-data
 
-* 同名参数只支持一个文件
+* The same name parameter only supports one file
 
-* 支持一次传输多个不同参数名的文件
+* Supports transferring files with multiple different parameter names at one 
time
 
-* 通过MultipartFile或Part打开流后，记得关闭，否则上传的临时文件会无法删除，最终导致上传临时目录被撑爆
+* After opening the stream through MultipartFile or Part, remember to close 
it. Otherwise the uploaded temporary file will not be deleted, and eventually, 
the upload temporary directory will be exploded.
 
-Springmvc模式下的代码样例：
+Sample code in Springmvc mode:
 
 ```java
 @PostMapping(path = "/upload", consumes = MediaType.MULTIPART_FORM_DATA)
 public String fileUpload(@RequestPart(name = "file1") MultipartFile file1, 
@RequestPart(name = "file2") Part file2, @RequestPart String param1) {
-  ……
+  ......
 }
 ```
 
-### 配置说明：
+### Configuration instructions:
 
-| 配置项 | 默认值 | 取值范围 | 含义 |
+| Configuration Item | Default Value | Range of Value |
 | :--- | :--- | :--- | :--- |
-| servicecomb.uploads.directory | null |  | 
上传的临时文件保存在哪个目录，**默认值null表示不支持文件上传** |
-| servicecomb.uploads.maxSize | -1 |  | http body的最大允许大小，默认值-1表示无限制 |
+| servicecomb.uploads.directory | null | | In which directory the uploaded 
temporary file is saved, **default value null means file upload is not 
supported** |
+| servicecomb.uploads.maxSize | -1 | | The maximum allowable size of http 
body, the default value of -1 means unlimited |
 
-## Consumer：
+## Consumer:
 
-支持以下数据类型：
+The following data types are supported:
 
 * java.io.File
 
@@ -58,11 +58,11 @@ public String fileUpload(@RequestPart(name = "file1") 
MultipartFile file1, @Requ
 
 * org.springframework.core.io.Resource
 
-使用InputStream时，因为是流的方式，此时没有客户端文件名的概念，所以producer获取客户端文件名会得到null
+When using InputStream, because it is a stream, there is no concept of client 
file name at this time, so the producer will get the client file name will get 
null.
 
-如果既要使用内存数据，又想让producer可以获取客户端文件名，可以使用resource类型，继承org.springframework.core.io.ByteArrayResource，且override
 getFilename即可。
+If you want to use both memory data and the producer to get the client file 
name, you can use the resource type, inherit 
org.springframework.core.io.ByteArrayResource, and override getFilename.
 
-### 透明RPC代码样例：
+### Transparent RPC Code Sample:
 
 ```java
 interface UploadIntf {
@@ -70,13 +70,13 @@ interface UploadIntf {
 }
 ```
 
-获得接口引用后，直接调用即可：
+After getting the interface reference, you can call it directly:
 
 ```java
 String result = uploadIntf.upload(file);
 ```
 
-### RestTemplate代码样例：
+### RestTemplate code example:
 
 ```java
 Map<String, Object> map = new HashMap<>();
diff --git a/java-chassis-reference/en_US/general-development/http-filter.md 
b/java-chassis-reference/en_US/general-development/http-filter.md
index 67edb31..28fae3f 100644
--- a/java-chassis-reference/en_US/general-development/http-filter.md
+++ b/java-chassis-reference/en_US/general-development/http-filter.md
@@ -1,32 +1,32 @@
-某些场景中，业务使用http而不是https，作为网络传输通道，此时为了防止被伪造或篡改请求，需要提供consumer、producer之间对http码流的签名功能。
+In some scenarios, the service uses http instead of https as the network 
transmission channel. To prevent the falsification or tampering request, 
consumer and the producer must be provided a method to signature the http 
stream.
 
-签名功能使用org.apache.servicecomb.common.rest.filter.HttpClientFilter和org.apache.servicecomb.common.rest.filter.HttpServerFilter接口来承载，建议http码流强相关的逻辑使用这里的Filter机制，而契约参数相关逻辑使用Handler机制。
+The signature method is carried using the 
org.apache.servicecomb.common.rest.filter.HttpClientFilter and 
org.apache.servicecomb.common.rest.filter.HttpServerFilter interfaces. It is 
recommended that the http stream related logic use the Filter mechanism here, 
and the contract The parameter related logic uses the Handler mechanism.
 
-关于Filter接口的使用，可以参考[demo-signature](https://github.com/ServiceComb/ServiceComb-Java-Chassis/tree/master/demo/demo-signature)。
+About the use of the Filter interface, please reference [demo-signature] 
(https://github.com/ServiceComb/ServiceComb-Java-Chassis/tree/master/demo/demo-signature).
 
 
 
-# 1.概述
+# 1 Overview
 
-Filter机制使用Java标准的SPI机制加载。
+The Filter mechanism is loaded using the Java standard SPI mechanism.
 
-HttpClientFilter、HttpServerFilter都各自允许加载多个：
+Both HttpClientFilter and HttpServerFilter allow multiple loads:
 
-* 各实例之间的执行顺序由getOrder的返回值决定
+* The order of execution between instances is determined by the return value 
of getOrder
 
-* 如果getOrder返回值相同，则相应的实例顺序随机决定
+* If getOrder returns the same value, the corresponding instance order is 
randomly determined
 
-无论是request，还是response，读取body码流，都使用getBodyBytes\(\)，返回值可能为null（比如get调用的场景），如果不为null，对应的码流长度，通过getBodyBytesLength\(\)获取。
+Whether it is request or response, read the body stream, use getBodyBytes\ 
(\), the return value may be null (such as the scene called get), if not null, 
the corresponding stream length, Obtain through getBodyBytesLength\ (\ ).
 
 # 2.HttpClientFilter
 
-系统内置2个HttpClientFilter，扩展功能时注意order值不要冲突：
+The system has two built-in HttpClientFilter. Note that the order value does 
not conflict when extending the function:
 
-* 
org.apache.servicecomb.provider.springmvc.reference.RestTemplateCopyHeaderFilter,
 order值为Integer.MIN\_VALUE
+* 
org.apache.servicecomb.provider.springmvc.reference.RestTemplateCopyHeaderFilter,
 order value is Integer.MIN\_VALUE
 
-* org.apache.servicecomb.transport.rest.client.http.DefaultHttpClientFilter, 
order值为Integer.MAX\_VALUE
+* org.apache.servicecomb.transport.rest.client.http.DefaultHttpClientFilter, 
order value is Integer.MAX\_VALUE
 
-## 2.1原型
+## 2.1 Prototype
 
 ```
 public interface HttpClientFilter {
@@ -42,19 +42,21 @@ public interface HttpClientFilter {
 
 ## 2.2 beforeSendRequest
 
-用于在已经生成码流之后，发送请求之前，根据url、header、query、码流计算签名，并设置到header中去\(requestEx.setHeader\)。
+Used to send a request after the stream has been generated
+calculate the signature based on url, header, query, and stream
+then set to the header \ (requestEx.setHeader\).
 
-从入参invocation中可以获取本次调用的各种元数据以及对象形式的参数（码流是根据这些参数生成的）。
+From the invocation, you can get the various metadata and the object 
parameters of this call (the stream is generated according to these parameters).
 
 ## 2.3 afterReceiveResponse
 
-用于在从网络收到应答后，根据header、码流计算签名，并与header中的签名对比。如果签名不对，直接构造一个Response
+Used to calculate the signature according to the header and the stream after 
receiving the response from the network, and compare it with the signature in 
the header. If the signature is incorrect, directly construct a Response.
 
-作为返回值，只要不是返回NULL，则框架会中断对其他HttpClientFilter的调用。
+As a return value, the framework will interrupt calls to other 
HttpClientFilters as long as it does not return NULL.
 
 # 3 HttpServerFilter
 
-## 3.1原型
+## 3.1 Prototype
 
 ```
 public interface HttpServerFilter {
@@ -75,23 +77,20 @@ public interface HttpServerFilter {
 
 ## 3.2 needCacheRequest
 
-与HttpClientFilter不同的是，增加了决定是否缓存请求的功能。
+Unlike HttpClientFilter, the ability to decide whether to cache requests is 
added.
 
-这是因为ServiceComb不仅仅能使用standalone的方式运行，也能运行于web容器（比如tomcat），在servlet的实现上，请求码流只能读取一次，并且不一定支持reset（比如tomcat），RESTful框架需要执行反序列化，需要读取body码流，签名逻辑也需要读取body码流，如果使用默认的处理，必然有一方功能无法实现。
+This is because ServiceComb can not only run in standalone mode but also run 
in web container (such as Tomcat). In the implementation of a servlet, request 
stream can only be read once, and does not necessarily support reset (such as 
Tomcat), RESTful The framework needs to perform deserialization. It needs to 
read the body stream. The signature logic also needs to read the body stream. 
If the default processing is used, one of the functions cannot be implemented.
 
-所以运行于web容器场景时，所有HttpServerFilter，只要有一个返回需要缓存请求，则body码流会被复制保存起来，以支持重复读取。
+So when running in a web container scenario, all HttpServerFilters, as long as 
there is a return request that needs to be cached, the body stream will be 
copied and saved to support repeated reads.
 
-入参是本次请求对应的元数据，业务可以针对该请求决定是否需要缓存请求。
+The input parameter is the metadata corresponding to the request, and the 
service can decide whether the cache request is needed for the request.
 
 ## 3.3 afterReceiveRequest
 
-在收到请求后，根据url、header、query、码流计算签名，并与header中的签名对比,如果签名不对，直接构造一个Response作为返回值，只要不是返回NULL，则框架会中断对其他HttpClientFilter的调用。
+After receiving the request, the signature is calculated according to the URL, 
header, query, and code stream, and compared with the signature in the header. 
If the signature is incorrect, a Response is directly constructed as the return 
value. As long as the NULL is not returned, the framework will interrupt the 
other HttpClientFilter. Call.
 
 ## 3.4 beforeSendResponse
 
-在发送应答之前，根据header、码流计算签名，并设置到header中去。
-
-因为可能invocation还没来得及构造，调用流程已经出错，所以入参invocation可能是null。
-
-
+Before sending a response, the signature is calculated according to the header 
and the stream and set to the header.
 
+Because the invocation has not yet been constructed, the call flow has gone 
wrong, so the invocation may be null.<Paste>
diff --git 
a/java-chassis-reference/en_US/general-development/local-develop-test.md 
b/java-chassis-reference/en_US/general-development/local-develop-test.md
index e38f946..eee5812 100644
--- a/java-chassis-reference/en_US/general-development/local-develop-test.md
+++ b/java-chassis-reference/en_US/general-development/local-develop-test.md
@@ -1,21 +1,21 @@
-## 概念阐述
+# Local Development and Test  
+## Concept Description
 
-本小节介绍如何在开发者本地进行消费者/提供者应用的开发调试。开发服务提供者请参考3 开发服务提供者章节，开发服务消费者请参考4 
开发服务消费者。服务提供者和消费提供者均需要连接到在远程的服务中心，为了本地微服务的开发和调试，本小节介绍了两种搭建本地服务中心的方法进行本地微服务调试：
+This section describes how developers can locally develop and commission 
consumer and provider applications. Both service providers and consumers need 
to connect to the remote service center. Two methods of building Local  
ServiceCenter for local microservice commissioning are as follows:
 
-* 启动[本地服务中心](#section2945986191314)；
+* Starting [Local Service Center](#section2945986191314)。
 
-* 通过local file模拟启动服务中心\([Mock机制](#section960893593759)\)。
+* Starting Local Service Center [Mock mechanism](#section960893593759)。
 
-* 通过设置环境信息方便本地调试
+### Local debugging by setting up environmental information 
 
-服务中心是微服务框架中的重要组件，用于服务元数据以及服务实例元数据的管理和处理注册、发现。服务中心与微服务提供/消费者的逻辑关系下图所示：  
-![](/start/develop-test.png)
+Service center is an important component in the microservice architecture, and 
is used for managing, registering, and detecting metadata and instance 
metadata. The logic relationship between the service center and microservice 
provider/consumer is as follows:![](../assets/images/local_develop_test_en.png)
 
-## 启动本地服务中心
+## Starting Local ServiceCenter
 
-* **步骤 1 **启动本地服务中心
+* **Step 1** Starting local service center 
 
-1. 以可执行文件的方式运行
+1. run in executable files  
 
    <ul class="nav nav-tabs">
      <li data-toggle="tab" class="active"><a data-toggle="tab" 
href="#windows">Windows</a></li>
@@ -24,65 +24,68 @@
    
    <div class="tab-content">
      <div id="windows" class="tab-pane active" markdown="1">
-   1. 
下载[服务注册中心可执行文件压缩包](http://apache.org/dyn/closer.cgi/incubator/servicecomb/incubator-servicecomb-service-center/1.0.0-m1/apache-servicecomb-incubating-service-center-1.0.0-m1-windows-amd64.tar.gz)
-   2. 解压缩到当前文件夹
-   3. 进入解压缩后的目录，然后双击运行**start-service-center.bat**文件
-     </div>
-     <div id="linux" class="tab-pane fade" markdown="1">
-   1. 下载服务注册中心可执行文件压缩包并解压缩
+    (1) Download the [Service Registry Executable Compressor] 
(http://apache.org/dyn/closer.cgi/incubator/servicecomb/incubator-servicecomb-service-center/1.0.0-m1/apache-servicecomb-
 Incubating-service-center-1.0.0-m1-windows-amd64.tar.gz)  
+    (2) Extract to the current folder  
+    (3) Go to the unzipped directory and double-click to run the 
**start-service-center.bat** file.  
+  
+      </div>
+      <div id="linux" class="tab-pane fade" markdown="1">
+    1) Download the Service Registry executable file archive and extract it  
    ```bash
    wget 
http://apache.org/dyn/closer.cgi/incubator/servicecomb/incubator-servicecomb-service-center/1.0.0-m1/apache-servicecomb-incubating-service-center-1.0.0-m1-linux-amd64.tar.gz
    tar xvf 
apache-servicecomb-incubating-service-center-1.0.0-m1-linux-amd64.tar.gz
-   ```
-   2. 运行服务注册中心
-   ```bash
-   bash 
apache-servicecomb-incubating-service-center-1.0.0-m1-linux-amd64/start-service-center.sh
-   ```
-   
-    
注意：前端（frontend）在Linux环境下默认会绑定ipv6地址，导致浏览器报错，修复办法为：先修改conf/app.conf中的httpaddr为外部可达网卡ip，之后修改app/appList/apiList.js中`ip
 : 'http://127.0.0.1'`为对应ip，最后重启ServiceCenter即可。
-  
-    </div>
-   </div>
+  ```  
+   2) Run the service registry  
+   ```bash
+   Bash 
apache-servicecomb-incubating-service-center-1.0.0-m1-linux-amd64/start-service-center.sh
+   ```  
+   
+    Note: The frontend (frontend) will be bound to the ipv6 address by default 
in the Linux environment, causing the browser to report an error. The repair 
method is: first modify the httpaddr in conf/app.conf to the external reachable 
network card ip, and then modify the app/appList/apiList. .js `ip : 
'http://127.0.0.1'` for the corresponding ip, and finally restart ServiceCenter.
+  
+    </div>
+   </div>
 
-   注意：Window和Linux版本均只支持64位系统。
+   Note: Both Windows and Linux versions only support 64-bit systems.  
 
-2. 以Docker的方式运行
+2. Run as Docker  
 
 ```bash
-docker pull servicecomb/service-center
-docker run -d -p 30100:30100 servicecomb/service-center:latest
+Docker pull servicecomb/service-center
+Docker run -d -p 30100:30100 servicecomb/service-center:latest
 ```
 
-* **步骤 2 **启动本地服务中心后，在服务提供/消费者的microservice.yaml文件中配置ServerCenter的地址和端口，示例代码：
+* **Step 2 ** After starting the local service center, configure the 
ServerCenter address and port in the service provider/consumer's 
microservice.yaml file. Example code:
 
 ```yaml
-servicecomb:
-  service:
-    registry:
-      address:
-        # 服务中心地址及端口
-        http://127.0.0.1:30100
+Servicecomb:
+  Service:
+    Registry:
+      Address:
+        #Service Center address and port
+        Http://127.0.0.1:30100
 ```
 
-* **步骤 3 **开发服务提供/消费者，启动微服务进行本地测试。
+* **Step 3 **Development service provider/consumer, launch microservices for 
local testing.
 
-**----结束**
+**----End**
 
-## Mock机制启动服务中心
-在本进程内存中模拟一个只能本进程使用的服务中心，一般是在测试场景中使用。
-* ### 进程内调用
-只需要在启动ServiceComb引擎之前声明一下即可启用：
+## Mock mechanism start service center
+Simulate a service center that can only be used by this process in the process 
memory, which is generally used in the test scenario.
+* ### In-process call
+Just declare it before starting the ServiceComb engine to enable it:
 ```java
 System.setProperty("local.registry.file", "notExistJustForceLocal");
 ```
-* ### 跨进程调用
-如果部署比较简单，并且部署信息是静态的，即使有跨进程调用也可以使用本Mock机制
-producer端仍然像“进程内调用”一样声明即可
-但是，因为Mock并不能跨进程生效，所以consumer端的Mock，需要提供一个本地的配置文件，在里面描述调用目标的详细信息，包括名字、版本、地址、schema
 id等等信息
-同样，因为Mock不能跨进程，consumer也无法动态取得producer的契约信息，所以，需要在本地提供契约文件
-（这个场景，使用Mock服务中心，比使用standalone的服务中心，成本高得多得多，不建议使用）
+* ### Cross-process call
+If the deployment is simple and the deployment information is static, you can 
use this mock mechanism even if you have a cross-process call.
+The producer end is still declared like "in-process call"
+However, because the Mock does not work across processes, the Mock on the 
consumer side needs to provide a local configuration file that describes the 
details of the call target, including the name, version, address, schema id, 
etc.
+Similarly, because the Mock cannot cross processes, the consumer cannot 
dynamically obtain the contract information of the producer. Therefore, the 
contract file needs to be provided locally.
+(This scenario, using the Mock Service Center, is much more costly than using 
a standalone service center, not recommended)
+
+* **Step 1** Create a new local service center definition file, assuming the 
name is registry.yaml, the content example is as follows:  
 
-* **步骤 1**新建本地服务中心定义文件，假设名字为registry.yaml，内容示例如下：
+* **Step 1** Create a new local service center definition file, assuming the 
name is registry.yaml, the content example is as follows:
 
 ```yaml
 localserv:
@@ -96,28 +99,32 @@ localserv:
         - rest://localhost:8080
         - highway://localhost:7070
 ```
-* **步骤 2**consumer本地部署契约文件
+* **Step 2**consumer local deployment contract file
 
-参考：[定义服务契约](https://huaweicse.github.io/servicecomb-java-chassis-doc/zh_CN/build-provider/define-contract.html)
-* **步骤 3**在consumer main函数，启动ServiceComb引擎之前声明：
+Reference: [Define Service Contract] 
(https://docs.servicecomb.io/java-chassis/zh_CN/build-provider/define-contract.html)
+* **Step 3** In the consumer main function, declare the ServiceComb engine 
before starting:
 
 ```java
 　　System.setProperty("local.registry.file", "/path/registry.yaml");
 ```
 
-setProperty第二个参数填写registry.yaml在磁盘中的系统绝对路径，注意区分在不同系统下使用对应的路径分隔符。
+The second parameter of setProperty fills in the absolute path of the 
registry.yaml system on the disk, pay attention to distinguish the 
corresponding path separator in different systems.
+
 
+## Local debugging by setting environment information
+The java chassis is strictly dependent on the contract when designing, so 
usually the version of the microservice has to change when the contract 
updated. However, if the development mode is still in progress, it is normal to 
modify the interface.   
+If you need to change the version every time, it is very unfriendly to the 
user, so an environment setting is added for this case. If the microservice is 
configured as a development environment, the interface is modified (the schema 
has changed), and the restart can be registered to the service center without 
modifying the version number.  
+However, if  consumer client has already called the service before the 
restart, the consumer client needs to be restarted to get the latest schema. 
For example, A -> B, B interface has been modified and restarted, then A is 
still using B last schema at this time, the call may be wrong, so as to avoid 
unknown exceptions, A also needs to restart. There are three ways to set it up, 
Recommended method 1  
 
-## 通过设置环境信息方便本地调试
-java 
chassis在设计时，严格依赖于契约，所以正常来说契约变了就必须要修改微服务的版本。但是如果当前还是开发模式，那么修改接口是很正常的情况，每次都需要改版本的话，对用户来说非常的不友好，所以增加了一个环境设置。如果微服务配置成开发环境，接口修改了（schema发生了变化），重启就可以注册到服务中心，而不用修改版本号。但是如果有consumer已经调用了重启之前的服务，那么consumer端需要重启才能获取最新的schema。比如A
 -> 
B，B接口进行了修改并且重启，那么A这个时候还是使用B老的schema，调用可能会出错，以免出现未知异常，A也需要重启。有三种方式可以设置，推荐使用方法1
-* 方法1：通过JVM启动参数**-Dinstance_description.environment=development**进行设置
+* Method 1: Set by the JVM startup parameter   
+**-Dinstance_description.environment=development**
 
-* 方法2：通过microservice.yaml配置文件来指定
+* Method 2: Specify by microservice.yaml configuration file
 
 ```yaml
 instance_description:
   environment: development
 ```
 
-* 方法3：通过环境变量来指定（仅限于Windowns系统），比如在Eclipse下面进行如下设置
-![](/assets/env.PNG)
+* Method 3: Specify by environment variable (only for Windowns system), such 
as the following settings under Eclipse
+![](../assets/env.PNG)


 

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