JSPatch修改某个UILabel或UIButton的文本

iOS笔记

OC代码

- (void)viewWillAppear:(BOOL)animated{
    [super viewWillAppear:animated];
    [self findSubView:self.view];
}
// 遍历view的所有控件
-(void)findSubView:(UIView*)view
{
    for (UIView* subView in view.subviews)
    {
        if ([subView isKindOfClass:[UILabel class]]) {
            UILabel *label = (UILabel *)subView;
            if ([label.text isEqualToString:@"这是一个文本"]) {
                label.text = @"修改后的文本";
            }
        }
        [self findSubView:subView];
    }
}

js代码

defineClass("ViewController", {
    viewWillAppear: function(animated) {
        self.super().viewWillAppear(animated);
        self.findSubView(self.view());
    }
}, {});
require("UILabel");
defineClass("ViewController", {
    findSubView: function(view) {
        var subviews = view.subviews().toJS();
        for (var i in view.subviews()) {
            var subview = subviews[i];
            if (subView.isKindOfClass(UILabel.class())) {
                var label = subView;
                if (label.text().isEqualToString("这是一个文本")) {
                    label.setText("修改后的文本");
                }
            }
            self.findSubView(subView);
        }
    }
}, {});