eclipse 简单配置

1.安装STS4

　　help-->Eclipse Maketplace-->search 'STS'-->install

　　

2.代码提示

　　Window-->preferences-->java-->Editor-->content assist-->activation trigger for java

　　abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ@

　　

3 startup and shutdown: 取消全部

　

 5.Validation : disable all

6. General : Show heap status

7 取消拼写检查： General->Editors-->Test Editors-->Spelling

8.快捷键

Ctrl+1--->Alt+/

Word completion: Alt+/ -->Alt+w

 9.修改内存

sudo vi /opt/sts/SpringToolSuite4.ini

-startup
plugins/org.eclipse.equinox.launcher_1.5.300.v20190213-1655.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.gtk.linux.x86_64_1.1.1000.v20190125-2016
-product
org.springframework.boot.ide.branding.sts4
--launcher.defaultAction
openFile
-vm
/opt/jdk1.8.0_211/bin
-vmargs
-Dosgi.requiredJavaVersion=1.8
-Xss4m
-Xms1024m
-Xmx2048m
-XX:PermSize=512m
-XX:MaxPermSize=512m
-XX:+UseG1GC
-XX:+UseStringDeduplication
--add-modules=ALL-SYSTEM

1.

vi /home/smile/.m2/settings.xml

<?xml version="1.0"?>
<settings>
<localRepository>/home/smile/.m2/repository</localRepository><!--需要改成自己的maven的本地仓库地址-->
    <mirrors>
        <mirror>
            <id>alimaven</id>
            <name>aliyun maven</name>
            <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
            <mirrorOf>central</mirrorOf>
        </mirror>
    </mirrors>
  <profiles>
    <profile>
       <id>nexus</id>
        <repositories>
            <repository>
                <id>nexus</id>
                <name>local private nexus</name>
                <url>http://maven.oschina.net/content/groups/public/</url>
                <releases>
                    <enabled>true</enabled>
                </releases>
                <snapshots>
                    <enabled>false</enabled>
                </snapshots>
            </repository>
        </repositories>

        <pluginRepositories>
            <pluginRepository>
            <id>nexus</id>
            <name>local private nexus</name>
            <url>http://maven.oschina.net/content/groups/public/</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
            </pluginRepository>
        </pluginRepositories>
    </profile>
        </profiles>
</settings>