我写如下:
u=new URL(this.getCodeBase().getProtocol(),this.getCodeBase().getHost(),this.Port,"/servlet/SQL"); u=new URL(this.getCodeBase().getPro
u=new URL(this.getCodeBase().getProtocol(),this.getCodeBase().getHost(),this.Port,"/servlet/SQL"); u=new URL(this.getCodeBase().getPro