idea 安装要记

快捷键 java

1. Ctrl + 点击(Ctrl + alt+ 点击) (实现类文件)apache

2. ctrl +alt + t      try -catch  if-else  包装windows

3. CTRL+O  快速重写父类方法oracle

4. alt+enter  错误提示koa

5 ctrl+Q 文档提示ide

6.Ctrl + /  (shift+ctrl+/)  优化

7. Ctrl + Alt + O    优化import自动去除无用的import语句ui

8.  Alt+Insert    生成构造器/Getter/Setter等this

9. Alt+Up and Alt+Down   可在方法间快速移动idea

10  ctrl + shift + u 大小写切换  

11. ctrl + x 删除一行

12 ctrl+ alt + l 代码格式化

13 shift + enter 向下插入一行

14 ctrl +e 最近打开过的

15 Shift+Shift 查询

16 ctrl+ shift + f 文件找

17 shift +f6  文件重命名

18  Alt + F1 + 1 在面板中打开类所在的目录

19: ctrl +alt + 左右键  回到上次编辑的地方  

20 : ctrl +shift + enter 结束代码,加上封号

21 :ctrl+ u 查看父类方法

22:  ctrl + h 查看类的结构

Ø  Top #10切来切去:Ctrl+Tab

Ø  Top #9选你所想:Ctrl+W

Ø  Top #8代码生成:Template/Postfix +Tab

Ø  Top #7发号施令:Ctrl+Shift+A

Ø  Top #6无处藏身:Shift+Shift

Ø  Top #5自动完成:Ctrl+Shift+Enter

Ø  Top #4创造万物:Alt+Insert

太难割舍,前三名并列吧!

Ø  Top #1智能补全:Ctrl+Shift+Space

Ø  Top #1自我修复:Alt+Enter

Ø  Top #1重构一切:Ctrl+Shift+Alt+T

 jdk8环境配置

安装一个jdk8而后设置环境变量

变量名: IDEA_JDK_64     变量值: E:\ProgramFiles\JDK\jdk1.8.0_31   (根目录)

--------------------------遇到问题-------------------------------------

1. JDK Required: 'tools.jar' seems to be not in IDEA classpath

缘由: jdk安装问题

解决 : 安装jdk后,安装jre时不能与其在同一个目录下

2. 当在使用命令行 java - version 显现的是1.8,但JAVA_HOME 指定的是1.7目录。即JAVA_HOME不生效

缘由:当使用安装版本的JDK程序时(通常是1.7版本以上),在安装结束后安装程序会自动将Java.exe、javaw.exe、javaws.exe三个可执行文件复制到C:\Windows\System32目录,这个目录在WINDOWS环境变量中的优先级高于JAVA_HOME设置的环境变量优先级,故此直接更改JAVA_HOME会无效。

另外,JDK1.8安装版本,还会在C:\ProgramData\Oracle\Java目录中生成一些配置文件,并同时将此目录写到环境变量中的Path中。

解决方案:

  1. 删除C:\Windows\System32目录下java.exe、javaw.exe、javaws.exe三个文件。

  2. 在环境变量path 中将%java_home%/bin移至最前

注册码: 

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------------------------遇到问题------------------------------

若没法激活

首先找到 windows  C:\Windows\System32\drivers\etc\hosts 

修改hosts 文件  加入0.0.0.0 account.jetbrains.com

改完hosts以后,在IntelliJ IDEA激活中填入 参考网页生成的激活码  点击激活就能够了。

修改{user}变量

成功修改了默认的user,记录一下。 
在安装目录的/bin下找到idea.exe.vmoptions 和idea64.exe.vmoptions,在文件的最后(好像也能够不是最后)添加一行:-Duser.name=KSir 
听说32位的修改idea.exe.vmoptions,64位的修改idea64.exe.vmoptions,我一次全改了,成功后也没有深究。

又有在settings的file and code template中修改,但这种方法只能改固定的模板。上述直接改了user,即便${user}也不怕!

提示设置

1. 关闭duplicated code (重置代码提示)

Editor -> Inspections - > duplicated code 取消打勾

2. 取消拼写查询

Editor -> Inspections - > spelling -> Typo  取消打勾

3. 文档自动提示

editor->general->other->show quick documentation .....

 

模板

ts

@Override
public String toString() {
    return org.apache.commons.lang3.builder.ToStringBuilder.reflectionToString(this, org.apache.commons.lang3.builder.ToStringStyle.SHORT_PREFIX_STYLE);
}


@Override
public String toString() {
    return org.apache.commons.lang3.builder.ToStringBuilder.reflectionToString(this, org.apache.commons.lang3.builder.ToStringStyle.MULTI_LINE_STYLE);
}

@Override
public String toString() {
    return org.apache.commons.lang3.builder.ToStringBuilder.reflectionToString(this, org.apache.commons.lang3.builder.ToStringStyle.DEFAULT_STYLE);
}

 

syso
 

 System.out.println($END$);

 

main
 

public static void main(String[] args){

}

 

logger
 

private final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger($CLASS_NAME$.class);$END$

 

info

console.info($END$);

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