\u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f（Template Method Pattern），\u5b9a\u4e49\u4e00\u4e2a\u64cd\u4f5c\u4e2d\u7684\u7b97\u6cd5\u9aa8\u67b6，\u800c\u5c06\u4e00\u4e9b\u6b65\u9aa4\u5ef6\u8fdf\u5230\u5b50\u7c7b\u4e2d\u3002\u6a21\u677f\u65b9\u6cd5\u4f7f\u5f97\u5b50\u7c7b\u53ef\u4ee5\u4e0d\u6539\u53d8\u4e00\u4e2a\u7b97\u6cd5\u7684\u7ed3\u6784，\u5373\u53ef\u91cd\u5b9a\u4e49\u8be5\u7b97\u6cd5\u7684\u67d0\u4e9b\u7279\u5b9a\u6b65\u9aa4\u3002<\/p>\n
\u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f\u7684\u6838\u5fc3\u601d\u60f3\u662f\u201c\u597d\u83b1\u575e\u539f\u5219\u201d\u2014\u2014\u201c\u4e0d\u8981\u8c03\u7528\u6211\u4eec，\u6211\u4eec\u4f1a\u8c03\u7528\u4f60（Don't call us, we'll call you）\u201d\u3002\u7236\u7c7b\u5b9a\u4e49\u597d\u4e00\u5957\u56fa\u5b9a\u7684\u7b97\u6cd5\u6267\u884c\u6d41\u7a0b，\u800c\u5c06\u5176\u4e2d\u591a\u53d8\u7684\u5177\u4f53\u73af\u8282\u7559\u7ed9\u5b50\u7c7b\u53bb\u5b9e\u73b0，\u5b9e\u73b0\u4e86\u4ee3\u7801\u590d\u7528\u4e0e\u6d41\u7a0b\u63a7\u5236\u7684\u7edf\u4e00\u3002<\/p>\n
\u5236\u4f5c\u51b2\u6ce1\u996e\u6599（Beverage），\u6574\u4f53\u6d41\u7a0b\u90fd\u662f\u56fa\u5b9a\u7684：<\/p>\n
\u70e7\u6c34 -> \u51b2\u6ce1 -> \u5012\u5165\u676f\u4e2d-> \u52a0\u8c03\u5473\u6599<\/p>\n
\u5176\u4e2d \u70e7\u5f00\u6c34 \u548c \u5012\u5165\u676f\u4e2d \u662f\u6240\u6709\u996e\u6599\u901a\u7528\u7684\u6b65\u9aa4；\u800c \u51b2\u6ce1 \u4e0e \u52a0\u8c03\u5473\u6599 \u5219\u7531\u5177\u4f53\u996e\u6599\u81ea\u884c\u51b3\u5b9a\u3002\u6b64\u5916，\u8fd8\u53ef\u4ee5\u901a\u8fc7 \u201c\u94a9\u5b50（Hook）\u201d \u51b3\u5b9a\u662f\u5426\u8981\u52a0\u8c03\u5473\u6599\u3002<\/p>\n
\/\/ \u62bd\u8c61\u7236\u7c7b：\u5b9a\u4e49\u7b97\u6cd5\u9aa8\u67b6
\npublic abstract class Beverage {<\/p>\n
\/\/ \u6a21\u677f\u65b9\u6cd5：\u5b9a\u4e49\u6574\u4f53\u6d41\u7a0b（\u7528 final \u4fee\u9970，\u9632\u6b62\u5b50\u7c7b\u98a0\u5012\u6216\u4fee\u6539\u6b65\u9aa4）
\n public final void makeBeverage() {
\n boilWater();
\n brew();
\n pourInCup();
\n \/\/ \u901a\u8fc7\u94a9\u5b50\u65b9\u6cd5\u63a7\u5236\u662f\u5426\u6267\u884c\u67d0\u4e2a\u6b65\u9aa4
\n if (customerWantsCondiments()) {
\n addCondiments();
\n }
\n }<\/p>\n
\/\/ \u901a\u7528\u5177\u4f53\u6b65\u9aa4 1：\u70e7\u6c34
\n private void boilWater() {
\n System.out.println("\u5c06\u6c34\u70e7\u5f00\u5230 100\u2103");
\n }<\/p>\n
\/\/ \u901a\u7528\u5177\u4f53\u6b65\u9aa4 2：\u5012\u8fdb\u676f\u5b50
\n private void pourInCup() {
\n System.out.println("\u5012\u5165\u676f\u4e2d");
\n }<\/p>\n
\/\/ \u62bd\u8c61\u6b65\u9aa4 1：\u51b2\u6ce1（\u5b50\u7c7b\u5fc5\u987b\u5b9e\u73b0）
\n protected abstract void brew();<\/p>\n
\/\/ \u62bd\u8c61\u6b65\u9aa4 2：\u52a0\u8c03\u5473\u6599（\u5b50\u7c7b\u5fc5\u987b\u5b9e\u73b0）
\n protected abstract void addCondiments();<\/p>\n
\/\/ \u94a9\u5b50\u65b9\u6cd5（Hook）：\u9ed8\u8ba4\u63d0\u4f9b\u6807\u51c6\u903b\u8f91，\u5b50\u7c7b\u53ef\u6309\u9700\u91cd\u5199Override
\n protected boolean customerWantsCondiments() {
\n return true;
\n }
\n}<\/p>\n
\/\/ \u5177\u4f53\u5b50\u7c7b 1：\u5496\u5561
\npublic class Coffee extends Beverage {
\n @Override
\n protected void brew() {
\n System.out.println("\u7528\u6ee4\u7eb8\u8403\u53d6\u5496\u5561\u7c89");
\n }<\/p>\n
@Override
\n protected void addCondiments() {
\n System.out.println("\u52a0\u5165\u725b\u5976\u548c\u7cd6");
\n }
\n}<\/p>\n
\/\/ \u5177\u4f53\u5b50\u7c7b 2：\u8336（\u91cd\u5199\u94a9\u5b50，\u4e0d\u52a0\u8c03\u6599）
\npublic class Tea extends Beverage {
\n @Override
\n protected void brew() {
\n System.out.println("\u7528\u6cb8\u6c34\u6d78\u6ce1\u8336\u53f6");
\n }<\/p>\n
@Override
\n protected void addCondiments() {
\n System.out.println("\u52a0\u5165\u67e0\u6aac\u7247");
\n }<\/p>\n
\/\/ \u91cd\u5199\u94a9\u5b50：\u539f\u5473\u8336\u4e0d\u52a0\u8c03\u5473\u6599
\n @Override
\n protected boolean customerWantsCondiments() {
\n return false;
\n }
\n}<\/p>\n
public class Client {
\n public static void main(String[] args) {
\n System.out.println("=== \u5236\u4f5c\u5496\u5561 ===");
\n Beverage coffee = new Coffee();
\n coffee.makeBeverage();<\/p>\n
System.out.println("\\\\n=== \u5236\u4f5c\u539f\u5473\u8336 ===");
\n Beverage tea = new Tea();
\n tea.makeBeverage();
\n }
\n}<\/p>\n
=== \u5236\u4f5c\u5496\u5561 ===
\n\u5c06\u6c34\u70e7\u5f00\u5230 100\u2103
\n\u7528\u6ee4\u7eb8\u8403\u53d6\u5496\u5561\u7c89
\n\u5012\u5165\u676f\u4e2d
\n\u52a0\u5165\u725b\u5976\u548c\u7cd6<\/p>\n
=== \u5236\u4f5c\u539f\u5473\u8336 ===
\n\u5c06\u6c34\u70e7\u5f00\u5230 100\u2103
\n\u7528\u6cb8\u6c34\u6d78\u6ce1\u8336\u53f6
\n\u5012\u5165\u676f\u4e2d<\/p>\n
\u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f（Template Method Pattern），\u5b9a\u4e49\u4e00\u4e2a\u64cd\u4f5c\u4e2d\u7684\u7b97\u6cd5\u9aa8\u67b6，\u800c\u5c06\u4e00\u4e9b\u6b65\u9aa4\u5ef6\u8fdf\u5230\u5b50\u7c7b\u4e2d\u3002\u6a21\u677f\u65b9\u6cd5\u4f7f\u5f97\u5b50\u7c7b\u53ef\u4ee5\u4e0d\u6539\u53d8\u4e00\u4e2a\u7b97\u6cd5\u7684\u7ed3\u6784，\u5373\u53ef\u91cd\u5b9a\u4e49\u8be5\u7b97\u6cd5\u7684\u67d0\u4e9b\u7279\u5b9a\u6b65\u9aa4\u3002\u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f\u7684\u6838\u5fc3\u601d\u60f3\u662f\u201c\u597d\u83b1\u575e\u539f\u5219\u201d\u2014\u2014\u201c\u4e0d\u8981\u8c03\u7528\u6211\u4eec，\u6211\u4eec\u4f1a\u8c03\u7528\u4f60（Dont call us, well call you）\u201d\u3002\u7236\u7c7b\u5b9a\u4e49\u597d\u4e00\u5957\u56fa\u5b9a\u7684\u7b97\u6cd5\u6267\u884c\u6d41\u7a0b，<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[3559,2874],"topic":[],"class_list":["post-85744","post","type-post","status-publish","format-standard","hentry","category-server","tag-3559","tag-2874"],"yoast_head":"\n