{"id":59075,"date":"2025-08-04T09:36:12","date_gmt":"2025-08-04T01:36:12","guid":{"rendered":"https:\/\/app.applebyme.cn\/cloud\/appshangjia\/59075.html"},"modified":"2025-08-04T09:36:12","modified_gmt":"2025-08-04T01:36:12","slug":"app%e5%bc%80%e5%8f%91%e4%b8%ad%e7%9a%84delegate%e6%93%8d%e4%bd%9c%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/app.applebyme.cn\/cloud\/appshangjia\/59075.html","title":{"rendered":"app\u5f00\u53d1\u4e2d\u7684delegate\u64cd\u4f5c\u4ecb\u7ecd"},"content":{"rendered":"<p>\u5728\u79fb\u52a8\u5e94\u7528\u5f00\u53d1\u4e2d\uff0cDelegate\uff08\u59d4\u6258\uff09\u662f\u4e00\u79cd\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u5b83\u5141\u8bb8\u5bf9\u8c61\u5c06\u67d0\u4e9b\u4efb\u52a1\u59d4\u6258\u7ed9\u5176\u4ed6\u5bf9\u8c61\u6765\u5b8c\u6210\u3002\u5728iOS\u548cAndroid\u5f00\u53d1\u4e2d\uff0cDelegate\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5904\u7406\u7528\u6237\u4ea4\u4e92\u3001\u4e8b\u4ef6\u54cd\u5e94\u548c\u6570\u636e\u4f20\u9012\u7b49\u65b9\u9762\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdDelegate\u5728\u79fb\u52a8\u5e94\u7528\u5f00\u53d1\u4e2d\u7684\u539f\u7406\u548c\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<p>\u4e00\u3001Delegate\u7684\u539f\u7406<\/p>\n<p>Delegate\u6a21\u5f0f\u57fa\u4e8e\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u6982\u5ff5\uff0c\u6d89\u53ca\u4e24\u4e2a\u4e3b\u8981\u89d2\u8272\uff1a\u59d4\u6258\u65b9\u548c\u59d4\u6258\u5bf9\u8c61\u3002\u59d4\u6258\u65b9\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5b83\u9700\u8981\u5b8c\u6210\u4e00\u4e9b\u4efb\u52a1\uff0c\u4f46\u5e76\u4e0d\u77e5\u9053\u5982\u4f55\u5177\u4f53\u5b9e\u73b0\u3002\u59d4\u6258\u5bf9\u8c61\u662f\u53e6\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5b83\u77e5\u9053\u5982\u4f55\u5904\u7406\u8fd9\u4e9b\u4efb\u52a1\u3002<\/p>\n<p>Delegate\u7684\u539f\u7406\u53ef\u4ee5\u7b80\u5316\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n<p>1. 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href=\"https:\/\/www.yimenapp.com\/\">APP<\/a>elegate\u5728iOS\u5f00\u53d1\u4e2d\u7684\u5e94\u7528<\/p>\n<p>\u5728iOS\u5f00\u53d1\u4e2d\uff0cDelegate\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u7528\u4e8e\u5904\u7406\u7528\u6237\u4ea4\u4e92\u548c\u4e8b\u4ef6\u54cd\u5e94\u3002\u6bcf\u4e2aiOS\u5e94\u7528\u7a0b\u5e8f\u90fd\u6709\u4e00\u4e2aAppDelegate\u7c7b\uff0c\u5b83\u662f\u5e94\u7528\u7a0b\u5e8f\u7684\u4ee3\u7406\u5bf9\u8c61\uff0c\u8d1f\u8d23\u5904\u7406\u5e94\u7528\u7a0b\u5e8f\u7684\u751f\u547d\u5468\u671f\u548c\u4e8b\u4ef6\u54cd\u5e94\u3002<\/p>\n<p>1. \u5b9a\u4e49\u59d4\u6258\u63a5\u53e3<\/p>\n<p>\u5728iOS\u5f00\u53d1\u4e2d\uff0c\u59d4\u6258\u63a5\u53e3\u901a\u5e38\u662f\u7531\u4e00\u4e2a\u534f\u8bae\uff08Protocol\uff09\u6765\u5b9a\u4e49\u7684\u3002\u534f\u8bae\u89c4\u5b9a\u4e86\u59d4\u6258\u65b9\u548c\u59d4\u6258\u5bf9\u8c61\u4e4b\u95f4\u9700\u8981\u5b9e\u73b0\u7684\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u534f\u8bae\u6765\u5904\u7406\u6309\u94ae\u70b9\u51fb\u4e8b\u4ef6\uff1a<\/p>\n<p>&#8220;`swift<\/p>\n<p>protocol ButtonDelegate {<\/p>\n<p>    func buttonClicked()<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>2. \u59d4\u6258\u65b9\u8bbe\u7f6e\u59d4\u6258\u5bf9\u8c61<\/p>\n<p>\u5728iOS\u5f00\u53d1\u4e2d\uff0c\u59d4\u6258\u65b9\u901a\u5e38\u662f\u4e00\u4e2a\u89c6\u56fe\u63a7\u5236\u5668\uff08ViewController\uff09\u3002\u59d4\u6258\u65b9\u9700\u8981\u8bbe\u7f6e\u4e00\u4e2a\u59d4\u6258\u5bf9\u8c61\u6765\u5904\u7406\u6309\u94ae\u70b9\u51fb\u4e8b\u4ef6\u3002\u53ef\u4ee5\u5728\u59d4\u6258\u65b9\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u5c5e\u6027\u6765\u4fdd\u5b58\u59d4\u6258\u5bf9\u8c61\u7684\u5f15\u7528\uff1a<\/p>\n<p>&#8220;`swift<\/p>\n<p>class ViewController: UIViewController {<\/p>\n<p>    var delegate: ButtonDelegate?<\/p>\n<\/p>\n<p>    \/\/ \u6309\u94ae\u70b9\u51fb\u4e8b\u4ef6<\/p>\n<p>    @IBAction func buttonClicked(_ sender: UIButton) {<\/p>\n<p>        delegate?.buttonClicked()<\/p>\n<p>    }<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>3. \u59d4\u6258\u5bf9\u8c61\u5b9e\u73b0\u59d4\u6258\u63a5\u53e3<\/p>\n<p>\u59d4\u6258\u5bf9\u8c61\u9700\u8981\u5b9e\u73b0\u59d4\u6258\u63a5\u53e3\u4e2d\u5b9a\u4e49\u7684\u65b9\u6cd5\uff0c\u6765\u5904\u7406\u6309\u94ae\u70b9\u51fb\u4e8b\u4ef6\u3002\u53ef\u4ee5\u5728\u59d4\u6258\u5bf9\u8c61\u4e2d\u5b9e\u73b0\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u5e76\u5728\u5176\u4e2d\u7f16\u5199\u5177\u4f53\u7684\u903b\u8f91\uff1a<\/p>\n<p>&#8220;`swift<\/p>\n<p>class ButtonDelegateImpl: ButtonDelegate {<\/p>\n<p>    func buttonClicked() {<\/p>\n<p>        \/\/ \u5904\u7406\u6309\u94ae\u70b9\u51fb\u4e8b\u4ef6\u7684\u903b\u8f91<\/p>\n<p>    }<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>4. \u59d4\u6258\u65b9\u8c03\u7528\u59d4\u6258\u63a5\u53e3\u7684\u65b9\u6cd5<\/p>\n<p>\u5728\u59d4\u6258\u65b9\u4e2d\uff0c\u5f53\u6309\u94ae\u70b9\u51fb\u4e8b\u4ef6\u53d1\u751f\u65f6\uff0c\u8c03\u7528\u59d4\u6258\u63a5\u53e3\u7684\u65b9\u6cd5\u6765\u901a\u77e5\u59d4\u6258\u5bf9\u8c61\u5904\u7406\u4e8b\u4ef6\uff1a<\/p>\n<p>&#8220;`swift<\/p>\n<p>@IBAction func buttonClicked(_ sender: UIButton) {<\/p>\n<p>    delegate?.buttonClicked()<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>5. \u8bbe\u7f6e\u59d4\u6258\u5bf9\u8c61<\/p>\n<p>\u5728\u59d4\u6258\u65b9\u4e2d\uff0c\u9700\u8981\u8bbe\u7f6e\u59d4\u6258\u5bf9\u8c61\u6765\u5904\u7406\u6309\u94ae\u70b9\u51fb\u4e8b\u4ef6\u3002\u53ef\u4ee5\u5728\u59d4\u6258\u65b9\u7684\u751f\u547d\u5468\u671f\u65b9\u6cd5\u4e2d\u8fdb\u884c\u8bbe\u7f6e\uff1a<\/p>\n<p>&#8220;`swift<\/p>\n<p>override func viewDidLoad() {<\/p>\n<p>    super.viewDidLoad()<\/p>\n<\/p>\n<p>    let buttonDelegate = ButtonDelegateImpl()<\/p>\n<p>    delegate = buttonDelegate<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>\u4e09\u3001Delegate\u5728Android\u5f00\u53d1\u4e2d\u7684\u5e94\u7528<\/p>\n<p>\u5728Android\u5f00\u53d1\u4e2d\uff0cDelegate\u901a\u5e38\u88ab\u79f0\u4e3a\u56de\u8c03\uff08Callback\uff09\uff0c\u7528\u4e8e\u5904\u7406\u7528\u6237\u4ea4\u4e92\u548c\u4e8b\u4ef6\u54cd\u5e94\u3002\u6bcf\u4e2aAndroid\u5e94\u7528\u7a0b\u5e8f\u90fd\u6709\u4e00\u4e2aActivity\u7c7b\uff0c\u5b83\u662f\u5e94\u7528\u7a0b\u5e8f\u7684\u4ee3\u7406\u5bf9\u8c61\uff0c\u8d1f\u8d23\u5904\u7406\u5e94\u7528\u7a0b\u5e8f\u7684\u751f\u547d\u5468\u671f\u548c\u4e8b\u4ef6\u54cd\u5e94\u3002<\/p>\n<p>1. \u5b9a\u4e49\u59d4\u6258\u63a5\u53e3<\/p>\n<p>\u5728Android\u5f00\u53d1\u4e2d\uff0c\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u63a5\u53e3\u6765\u4f5c\u4e3a\u59d4\u6258\u63a5\u53e3\u3002\u63a5\u53e3\u89c4\u5b9a\u4e86\u59d4\u6258\u65b9\u548c\u59d4\u6258\u5bf9\u8c61\u4e4b\u95f4\u9700\u8981\u5b9e\u73b0\u7684\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u63a5\u53e3\u6765\u5904\u7406\u6309\u94ae\u70b9\u51fb\u4e8b\u4ef6\uff1a<\/p>\n<p>&#8220;`java<\/p>\n<p>public interface ButtonDelegate {<\/p>\n<p>    void butt<a href=\"https:\/\/www.yimenapp.com\/\">APP\u5f00\u53d1<\/a>onClicked();<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>2. \u59d4\u6258\u65b9\u8bbe\u7f6e\u59d4\u6258\u5bf9\u8c61<\/p>\n<p>\u5728Android\u5f00\u53d1\u4e2d\uff0c\u59d4\u6258\u65b9\u901a\u5e38\u662f\u4e00\u4e2aActivity\u3002\u59d4\u6258\u65b9\u9700\u8981\u8bbe\u7f6e\u4e00\u4e2a\u59d4\u6258\u5bf9\u8c61\u6765\u5904\u7406\u6309\u94ae\u70b9\u51fb\u4e8b\u4ef6\u3002\u53ef\u4ee5\u5728\u59d4\u6258\u65b9\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u6210\u5458\u53d8\u91cf\u6765\u4fdd\u5b58\u59d4\u6258\u5bf9\u8c61\u7684\u5f15\u7528\uff1a<\/p>\n<p>&#8220;`java<\/p>\n<p>public class MainActivity extends AppCompatActivity {<\/p>\n<p>    private ButtonDelegate delegate;<\/p>\n<\/p>\n<p>    \/\/ \u6309\u94ae\u70b9\u51fb\u4e8b\u4ef6<\/p>\n<p>    public void buttonClicked(View view) {<\/p>\n<p>        if (delegate != null) {<\/p>\n<p>            delegate.buttonClicked();<\/p>\n<p>        }<\/p>\n<p>    }<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>3. \u59d4\u6258\u5bf9\u8c61\u5b9e\u73b0\u59d4\u6258\u63a5\u53e3<\/p>\n<p>\u59d4\u6258\u5bf9\u8c61\u9700\u8981\u5b9e\u73b0\u59d4\u6258\u63a5\u53e3\u4e2d\u5b9a\u4e49\u7684\u65b9\u6cd5\uff0c\u6765\u5904\u7406\u6309\u94ae\u70b9\u51fb\u4e8b\u4ef6\u3002\u53ef\u4ee5\u5728\u59d4\u6258\u5bf9\u8c61\u4e2d\u5b9e\u73b0\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u5e76\u5728\u5176\u4e2d\u7f16\u5199\u5177\u4f53\u7684\u903b\u8f91\uff1a<\/p>\n<p>&#8220;`java<\/p>\n<p>public class ButtonDelegateImpl implements ButtonDelegate {<\/p>\n<p>    @Override<\/p>\n<p>    public void buttonClicked() {<\/p>\n<p>        \/\/ \u5904\u7406\u6309\u94ae\u70b9\u51fb\u4e8b\u4ef6\u7684\u903b\u8f91<\/p>\n<p>    }<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>4. \u59d4\u6258\u65b9\u8c03\u7528\u59d4\u6258\u63a5\u53e3\u7684\u65b9\u6cd5<\/p>\n<p>\u5728\u59d4\u6258\u65b9\u4e2d\uff0c<\/p>\n<p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/i.cdn.yimenapp.com\/2023-03\/14\/14\/33103738521.jpg\" \/><\/figure>\n<\/p>\n<p>\u5f53\u6309\u94ae\u70b9\u51fb\u4e8b\u4ef6\u53d1\u751f\u65f6\uff0c\u8c03\u7528\u59d4\u6258\u63a5\u53e3\u7684\u65b9\u6cd5\u6765\u901a\u77e5\u59d4\u6258\u5bf9\u8c61\u5904\u7406\u4e8b\u4ef6\uff1a<\/p>\n<p>&#8220;`java<\/p>\n<p>public void buttonClicked(View view) {<\/p>\n<p>    if (delegate != null) {<\/p>\n<p>        delegate.buttonClicked();<\/p>\n<p>    }<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>5. \u8bbe\u7f6e\u59d4\u6258\u5bf9\u8c61<\/p>\n<p>\u5728\u59d4\u6258\u65b9\u4e2d\uff0c\u9700\u8981\u8bbe\u7f6e\u59d4\u6258\u5bf9\u8c61\u6765\u5904\u7406\u6309\u94ae\u70b9\u51fb\u4e8b\u4ef6\u3002\u53ef\u4ee5\u5728\u59d4\u6258\u65b9\u7684\u751f\u547d\u5468\u671f\u65b9\u6cd5\u4e2d\u8fdb\u884c\u8bbe\u7f6e\uff1a<\/p>\n<p>&#8220;`java<\/p>\n<p>@Override<\/p>\n<p>protected void onCreate(Bundle savedInstanceState) {<\/p>\n<p>    super.onCreate(savedInstanceState);<\/p>\n<\/p>\n<p>    ButtonDelegate buttonDelegate = new ButtonDelegateImpl();<\/p>\n<p>    delegate = 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