iOS中常用设置返回按钮

//添加返回按钮
-(void)backbtn{
  uibutton *backbtn=[[uibutton alloc]initwithframe:cgrectmake(0, 10, 60, 20)];
  [backbtn settitle:@"返回" forstate:uicontrolstatenormal];
  backbtn.titlelabel.font=[uifont systemfontofsize:12];
  backbtn.imageedgeinsets=uiedgeinsetsmake(2,2,2,2);
  [backbtn setimage:[uiimage imagenamed:@"fanhui"] forstate:uicontrolstatenormal];
  [backbtn addtarget:self action:@selector(backto) forcontrolevents:uicontroleventtouchdown];
  uibarbuttonitem *leftbtn=[[uibarbuttonitem alloc]initwithcustomview:backbtn];
  uibarbuttonitem *flexbtn=[[uibarbuttonitem alloc]initwithbarbuttonsystemitem:uibarbuttonsystemitemfixedspace target:nil action:nil];
  flexbtn.width=-10;//正数往左移，负数往右移
  self.navigationitem.leftbarbuttonitems=@[flexbtn,leftbtn];
}
//返回按钮
-(void)backto{
  [self dismissviewcontrolleranimated:yes completion:^{
  }];
}

以上所述是小编给大家介绍的ios中常用设置返回按钮，希望对大家有所帮助