资源简介
网易云信IM即时通信服务端实现，主要配合前端实现创建群组，加入群聊，获取用户信息等等功能。代码简单易懂，所有实现都是以测试Main函数测试运行的，方便给入门的伙伴们一些参考
代码片段和文件信息
/*
Licensed to the Apache Software Foundation （ASF） under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License Version 2.0 （the
“License“）; you may not use this file except in compliance
with the License. You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing
software distributed under the License is distributed on an
“AS IS“ BASIS WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*/
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URL;
import java.nio.channels.Channels;
import java.nio.channels.ReadableByteChannel;
import java.util.Properties;
public class MavenWrapperDownloader {
/**
* Default URL to download the maven-wrapper.jar from if no ‘downloadUrl‘ is provided.
*/
private static final String DEFAULT_DOWNLOAD_URL =
“https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar“;
/**
* Path to the maven-wrapper.properties file which might contain a downloadUrl property to
* use instead of the default one.
*/
private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
“.mvn/wrapper/maven-wrapper.properties“;
/**
* Path where the maven-wrapper.jar will be saved to.
*/
private static final String MAVEN_WRAPPER_JAR_PATH =
“.mvn/wrapper/maven-wrapper.jar“;
/**
* Name of the property which should be used to override the default download url for the wrapper.
*/
private static final String PROPERTY_NAME_WRAPPER_URL = “wrapperUrl“;
public static void main（String args[]） {
System.out.println（“- Downloader started“）;
File baseDirectory = new File（args[0]）;
System.out.println（“- Using base directory: “ + baseDirectory.getAbsolutePath（））;
// If the maven-wrapper.properties exists read it and check if it contains a custom
// wrapperUrl parameter.
File mavenWrapperPropertyFile = new File（baseDirectory MAVEN_WRAPPER_PROPERTIES_PATH）;
String url = DEFAULT_DOWNLOAD_URL;
if （mavenWrapperPropertyFile.exists（）） {
FileInputStream mavenWrapperPropertyFileInputStream = null;
try {
mavenWrapperPropertyFileInputStream = new FileInputStream（mavenWrapperPropertyFile）;
Properties mavenWrapperProperties = new Properties（）;
mavenWrapperProperties.load（mavenWrapperPropertyFileInputStream）;
url = mavenWrapperProperties.getProperty（PROPERTY_NAME_WRAPPER_URL url）;
} catch （IOException e） {
Syst 属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
文件 303 2019-03-27 08:58 mygameservice\.gitignore
文件 638 2019-03-27 08:59 mygameservice\.idea\compiler.xm
文件 172 2019-03-27 08:59 mygameservice\.idea\encodings.xm
文件 529 2019-03-27 09:21 mygameservice\.idea\libraries\commons_logging_1_1_1.xm
文件 219 2019-03-27 09:59 mygameservice\.idea\libraries\gson_2_2_4.xm
文件 568 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__ch_qos_logback_logback_classic_1_2_3.xm
文件 547 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__ch_qos_logback_logback_core_1_2_3.xm
文件 522 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__com_fasterxm
文件 644 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__com_fasterxm
文件 595 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__com_fasterxm
文件 623 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__com_fasterxm
文件 674 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__com_fasterxm
文件 688 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__com_fasterxm
文件 729 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__com_fasterxm
文件 546 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__com_jayway_jsonpath_json_path_2_4_0.xm
文件 700 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__com_vaadin_external_google_android_json_0_0_20131108_vaadin1.xm
文件 611 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__javax_annotation_javax_annotation_api_1_3_2.xm
文件 611 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__javax_validation_validation_api_2_0_1_Final.xm
文件 455 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__junit_junit_4_12.xm
文件 536 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__net_bytebuddy_byte_buddy_1_9_10.xm
文件 578 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__net_bytebuddy_byte_buddy_agent_1_9_10.xm
文件 542 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__net_minidev_accessors_smart_1_2.xm
文件 507 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__net_minidev_json_smart_2_3.xm
文件 573 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__org_apache_logging_log4j_log4j_api_2_11_2.xm
文件 608 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__org_apache_logging_log4j_log4j_to_slf4j_2_11_2.xm
文件 625 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__org_apache_tomcat_em
文件 611 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__org_apache_tomcat_em
文件 660 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__org_apache_tomcat_em
文件 542 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__org_assertj_assertj_core_3_11_1.xm
文件 532 2019-03-27 08:59 mygameservice\.idea\libraries\Maven__org_hamcrest_hamcrest_core_1_3.xm
............此处省略100个文件信息
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