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Merge pull request #20 from veryben/master
格式化java代码、增加properties配置支持、修订README.md使用说明
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README.md

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FastDFS java client SDK
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# FastDFS java client SDK
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FastDFS Java Client API may be copied only under the terms of the BSD license.
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## 使用ant从源码构建
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```
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ant clean package
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```
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## 使用maven从源码安装
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```
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mvn clean install
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```
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## 使用maven从jar文件安装
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```
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mvn install:install-file -DgroupId=org.csource -DartifactId=fastdfs-client-java -Dversion=${version} -Dpackaging=jar -Dfile=fastdfs-client-java-${version}.jar
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```
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## 在您的maven项目pom.xml中添加依赖
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```xml
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<dependency>
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<groupId>org.csource</groupId>
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<artifactId>fastdfs-client-java</artifactId>
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<version>1.27-SNAPSHOT</version>
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</dependency>
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```
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## .conf 配置文件、所在目录、加载优先顺序
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配置文件名fdfs_client.conf(或使用其它文件名xxx_yyy.conf)
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文件所在位置可以是项目classpath(或OS文件系统目录比如/opt/):
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/opt/fdfs_client.conf
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C:\Users\James\config\fdfs_client.conf
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优先按OS文件系统路径读取,没有找到才查找项目classpath,尤其针对linux环境下的相对路径比如:
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fdfs_client.conf
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config/fdfs_client.conf
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```
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connect_timeout = 2
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network_timeout = 30
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charset = UTF-8
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http.tracker_http_port = 80
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http.anti_steal_token = no
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http.secret_key = FastDFS1234567890
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tracker_server = 10.0.11.247:22122
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tracker_server = 10.0.11.248:22122
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tracker_server = 10.0.11.249:22122
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```
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注1:tracker_server指向您自己IP地址和端口,1-n个
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注2:除了tracker_server,其它配置项都是可选的
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## .properties 配置文件、所在目录、加载优先顺序
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配置文件名 fastdfs-client.properties(或使用其它文件名 xxx-yyy.properties)
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文件所在位置可以是项目classpath(或OS文件系统目录比如/opt/):
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/opt/fastdfs-client.properties
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C:\Users\James\config\fastdfs-client.properties
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优先按OS文件系统路径读取,没有找到才查找项目classpath,尤其针对linux环境下的相对路径比如:
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fastdfs-client.properties
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config/fastdfs-client.properties
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```
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fastdfs.connect_timeout_in_seconds = 5
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fastdfs.network_timeout_in_seconds = 30
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fastdfs.charset = UTF-8
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fastdfs.http_anti_steal_token = false
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fastdfs.http_secret_key = FastDFS1234567890
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fastdfs.http_tracker_http_port = 80
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fastdfs.tracker_servers = 10.0.11.201:22122,10.0.11.202:22122,10.0.11.203:22122
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```
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注1:properties 配置文件中属性名跟 conf 配置文件不尽相同,并且统一加前缀"fastdfs.",便于整合到用户项目配置文件
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注2:fastdfs.tracker_servers 配置项不能重复属性名,多个 tracker_server 用逗号","隔开
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注3:除了fastdfs.tracker_servers,其它配置项都是可选的
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## 加载配置示例
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加载原 conf 格式文件配置:
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ClientGlobal.init("fdfs_client.conf");
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ClientGlobal.init("config/fdfs_client.conf");
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ClientGlobal.init("/opt/fdfs_client.conf");
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ClientGlobal.init("C:\\Users\\James\\config\\fdfs_client.conf");
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加载 properties 格式文件配置:
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ClientGlobal.initByProperties("fastdfs-client.properties");
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ClientGlobal.initByProperties("config/fastdfs-client.properties");
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ClientGlobal.initByProperties("/opt/fastdfs-client.properties");
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ClientGlobal.initByProperties("C:\\Users\\James\\config\\fastdfs-client.properties");
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加载 Properties 对象配置:
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Properties props = new Properties();
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props.put(ClientGlobal.PROP_KEY_TRACKER_SERVERS, "10.0.11.101:22122,10.0.11.102:22122");
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ClientGlobal.initByProperties(props);
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加载 trackerServers 字符串配置:
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String trackerServers = "10.0.11.101:22122,10.0.11.102:22122";
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ClientGlobal.initByTrackers(trackerServers);
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## 检查加载配置结果:
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System.out.println("ClientGlobal.configInfo(): " + ClientGlobal.configInfo());
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```
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ClientGlobal.configInfo(): {
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g_connect_timeout(ms) = 5000
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g_network_timeout(ms) = 30000
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g_charset = UTF-8
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g_anti_steal_token = false
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g_secret_key = FastDFS1234567890
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g_tracker_http_port = 80
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trackerServers = 10.0.11.101:22122,10.0.11.102:22122
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}
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```

fastdfs-client.properties

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## fastdfs-client.properties
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fastdfs.connect_timeout_in_seconds = 5
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fastdfs.network_timeout_in_seconds = 30
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fastdfs.charset = UTF-8
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fastdfs.http_anti_steal_token = false
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fastdfs.http_secret_key = FastDFS1234567890
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fastdfs.http_tracker_http_port = 80
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fastdfs.tracker_servers = 10.0.11.201:22122,10.0.11.202:22122,10.0.11.203:22122
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