java常用API

1、获取系统支持的的字体:

GraphicsEnvironment e = GraphicsEnvironment.getLocalGraphicsEnvironment();  

         String[] fontName = e.getAvailableFontFamilyNames();  
         for(int i = 0; i<fontName.length ; i++) {  
             System.out.println(fontName[i]);  

         }  


2、直接查看文档信息

public String CmdExceRead() {
Runtime runtime = Runtime.getRuntime();
String str = "C:\\Users\\Administrator\\Desktop\\admin.xls";
try {
runtime.exec("cmd /c start " + str);
} catch (IOException e) {
System.out.println("执行器打开异常,请重试!!");
e.printStackTrace();
}
return "correctExcel";
}


3、



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