2019獨角獸企業重金招聘Python工程師標準>>>

[weakSelf.reView3 reloadDataWithCallBack:^(UIButton * x, id y) { switch (x.tag) { case 1: case 2: { // [DialogUtil showText:@"門牌照片"]; [[XYPhotoSheet manager] showActionSheetInView:weakSelf.view taget:weakSelf title1:@"相冊" title2:@"相機" cancel:@"取消" success:^(id image) { switch (x.tag) { case 0: { if (weakSelf.mData.count > 0) { [weakSelf.mData replaceObjectAtIndex:0 withObject:image]; }else{ [weakSelf.mData addObject:image]; } } break;

default:{if (weakSelf.mData.count > 1) {[weakSelf.mData replaceObjectAtIndex:1 withObject:image];}else{[weakSelf.mData addObject:image];}}break;}dispatch_async(dispatch_get_main_queue(), ^{[weakSelf.reView3 reloadDatawithData:image tag:x.tag];});}];}break;case 3:{[weakSelf uploadInfo];}break;case 4:{[DialogUtil showText:x.titleLabel.text];}break;default:break;} } ];

###原代碼

[weakSelf.reView3 reloadDatawithData:image tag:x.tag];

###修正代碼 dispatch_async(dispatch_get_main_queue(), ^{ [weakSelf.reView3 reloadDatawithData:image tag:x.tag]; }); ###場景 ####在block中執行更新UI操作，控制臺發出警告，但沒有報錯，或崩潰

轉載于:https://my.oschina.net/u/2601834/blog/859896

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