增加properties配置支持并添加README.md使用说明

src/test/java/org/csource/fastdfs/ClientGlobalTests.java

@@ -0,0 +1,26 @@
+package org.csource.fastdfs;
+
+import java.util.Properties;
+
+/**
+ * Created by James on 2017/5/19.
+ */
+public class ClientGlobalTests {
+
+  public static void main(String[] args) throws Exception {
+    String trackerServers = "10.0.11.101:22122,10.0.11.102:22122";
+    ClientGlobal.initByTrackers(trackerServers);
+    System.out.println("ClientGlobal.configInfo() : " + ClientGlobal.configInfo());
+
+    String propFilePath = "fastdfs-client.properties";
+    ClientGlobal.initByProperties(propFilePath);
+    System.out.println("ClientGlobal.configInfo() : " + ClientGlobal.configInfo());
+
+    Properties props = new Properties();
+    props.put(ClientGlobal.PROP_KEY_TRACKER_SERVERS, "10.0.11.101:22122,10.0.11.102:22122");
+    ClientGlobal.initByProperties(props);
+    System.out.println("ClientGlobal.configInfo(): " + ClientGlobal.configInfo());
+
+  }
+
+}

src/test/resources/fastdfs-client.properties

@@ -0,0 +1,13 @@
+## fastdfs-client.properties
+
+fastdfs.connect_timeout_in_seconds = 5
+fastdfs.network_timeout_in_seconds = 30
+
+fastdfs.charset = UTF-8
+
+fastdfs.http_anti_steal_token = false
+fastdfs.http_secret_key = FastDFS1234567890
+fastdfs.http_tracker_http_port = 80
+
+fastdfs.tracker_servers = 10.0.11.201:22122,10.0.11.202:22122,10.0.11.203:22122
+