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涓€銆丣ava鍩虹姒傚康涓庡疄鎴?/h3>
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浜屻€丣ava Web寮€鍙戝熀纭€涓嶴pring妗嗘灦搴旂敤
Java Web寮€鍙戞槸Java鐨勯噸瑕佸簲鐢ㄩ鍩熶箣涓€銆傛湰鏂囧皢浠嬬粛Java Web寮€鍙戝熀纭€锛屽寘鎷琒ervlet銆丣SP銆丣avaBean銆丣DBC绛夋妧鏈€傚湪姝ゅ熀纭€涓婏紝鎴戜滑灏嗘繁鍏ユ帰璁ㄥ浣曚娇鐢⊿pring妗嗘灦杩涜Web搴旂敤寮€鍙戙€係pring妗嗘灦鐨勬ā鍧楀寲璁捐灏嗘瀬澶у湴绠€鍖朩eb搴旂敤鐨勫紑鍙戣繃绋嬶紝鎻愰珮寮€鍙戞晥鐜囥€?/p>
涓夈€佺Щ鍔ㄥ簲鐢ㄥ紑鍙戔€斺€擜ndroid寮€鍙戝熀纭€
闅忕潃绉诲姩浜掕仈缃戠殑蹇€熷彂灞曪紝鎺屾彙Android寮€鍙戝凡鎴愪负Java寮€鍙戣€呯殑蹇呭鎶€鑳姐€傛湰鏂囧皢浠嬬粛Android寮€鍙戠殑鍩虹鐭ヨ瘑鍜屾牳蹇冩妧鏈紝鍖呮嫭鐣岄潰璁捐銆佹暟鎹瓨鍌ㄣ€佺綉缁滈€氫俊绛夈€傞€氳繃瀹炴垬椤圭洰锛屼綘灏嗗浼氬浣曡繍鐢ㄦ墍瀛︾煡璇嗗紑鍙戜竴涓畬鏁寸殑Android搴旂敤銆?/p>
鍥涖€佹暟鎹簱鏁村悎瀹炶返
鍦ㄧ幇浠ｅ寲搴旂敤涓紝鏁版嵁搴撴槸涓嶅彲鎴栫己鐨勪竴閮ㄥ垎銆傛湰鏂囧皢浠嬬粛Java涓庢暟鎹簱鐨勬暣鍚堝疄璺碉紝鍖呮嫭JDBC鐨勪娇鐢ㄣ€丼QL璇彞鐨勭紪鍐欑瓑銆傞€氳繃鐪熷疄椤圭洰妗堜緥锛屼綘灏嗘繁鍏ヤ簡瑙ｅ浣曡繍鐢↗ava杩涜鏁版嵁搴撴搷浣滐紝涓鸿亴涓氬彂灞曞瀹氬潥瀹炲熀纭€銆?/p>
浜斻€佺患鍚堝疄鎴橈細浼佷笟绾ч」鐩紑鍙?/h3>
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---
Spring MVC 妗嗘灦涓嬬殑绠€鍗曞簲鐢ㄧず渚?/p>
鍦⊿pring MVC鐨勪笘鐣岄噷锛屾帶鍒跺櫒鏄牳蹇冦€備笅闈㈡槸涓€涓畝鍗曠殑GreetingController锛屽畠灞曠ず浜嗗浣曚娇鐢⊿pring MVC鎺ユ敹HTTP璇锋眰骞惰繑鍥炲搷搴斻€?/p>
```java
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
@Controller
public class GreetingController {
@GetMapping("/hello")
@ResponseBody
public String sayHello(@RequestParam("name") String name) {
return "Hello, " + name + "!";
}
}
```
褰撴垜浠皥璁虹Щ鍔ㄥ紑鍙戞椂锛孉ndroid鏃犵枒鏄竴涓笉鍙拷瑙嗙殑宸ㄥご銆?/p>
鍒濇帰Android绉诲姩搴旂敤寮€鍙?/p>
馃摫 Android鍩虹涓庡紑鍙戠幆澧冩惌寤?/p>
鎯宠薄涓€涓嬩綘鎵嬩腑鐨勬櫤鑳芥墜鏈猴紝鍏惰儗鍚庣殑鎶€鏈鏄疉ndroid寮€鍙戞墍娑电洊鐨勯鍩熴€傝姝ュ叆杩欎釜棰嗗煙锛岄鍏堝緱鎺屾彙Android Studio寮€鍙戠幆澧冨強鍏剁浉鍏冲伐鍏凤紝濡侫ndroid SDK鍜孨DK銆備笅闈㈢畝瑕佹杩颁簡鍒涘缓鍩烘湰Android搴旂敤鐨勬楠わ細
鎵撳紑Android Studio锛岄€夋嫨鈥淪tart a new Android Studio project鈥濄€傞殢鍚庯紝璁剧疆椤圭洰鍚嶇О銆佸寘鍚嶃€佽瑷€绛変俊鎭紝鐐瑰嚮鈥淣ext鈥濓紝閫夋嫨鈥淓mpty Activity鈥濓紝鏈€鍚庣偣鍑烩€淔inish鈥濇潵鍚姩浣犵殑寮€鍙戞梾绋嬨€?/p>
馃尡 浣跨敤Java涓嶢ndroid Studio寮€鍙戝簲鐢?/p>
鍦ˋndroid Studio涓紝浣犲皢鎺ヨЕ鍒扮晫闈㈣璁★紙XML锛夈€侀€昏緫瀹炵幇锛圝ava锛変互鍙婅祫婧愮鐞嗭紙鍥剧墖銆侀煶棰戠瓑锛夈€備笅闈㈡槸涓€涓畝鍗曠殑Android搴旂敤绀轰緥锛屽睍绀轰簡濡備綍鍦╜MainActivity`涓缃熀鏈竷灞€鍜屾枃鏈€?/p>
```java
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TextView textView = findViewById(R.id.textView);
textView.setText("娆㈣繋浣跨敤 Android 搴旂敤!");
}
}
```
鍦ㄨ蒋浠跺紑鍙戜腑锛屾暟鎹簱涓嶫ava鐨勬暣鍚堟槸涓嶅彲鎴栫己鐨勯儴鍒嗐€傝鎴戜滑娣卞叆浜嗚ВJava濡備綍涓庢暟鎹簱杩涜浜や簰銆?/p>
鏁版嵁搴撲笌Java鏁村悎锛欽DBC鐨勫師鐞嗕笌瀹炶返
Java鐨凧DBC API涓烘暟鎹簱璁块棶鎻愪緵浜嗛€氱敤鎺ュ彛銆傝繖鎰忓懗鐫€Java搴旂敤绋嬪簭鍙互杞绘澗鍦拌繛鎺ュ埌鍏崇郴鍨嬫暟鎹簱銆傞€氳繃JDBC锛屽紑鍙戣€呭彲浠ユ墽琛孲QL鏌ヨ銆佹洿鏂版暟鎹互鍙婄鐞嗘暟鎹簱浜嬪姟銆傛帉鎻DBC锛屼綘灏嗕负Java搴旂敤绋嬪簭澧炴坊寮哄ぇ鐨勬暟鎹鐞嗚兘鍔涖€侸ava鏁版嵁搴撹繛鎺ヤ笌椤圭洰妗堜緥鍒嗘瀽
JDBC杩炴帴MySQL鏁版嵁搴撶ず渚?/h2>
鍦↗ava寮€鍙戜腑锛屼娇鐢↗ava Database Connectivity (JDBC) 杩炴帴MySQL鏁版嵁搴撴槸鍩虹涓旈噸瑕佺殑鎶€鑳姐€備笅闈㈡槸涓€涓畝鍗曠殑绀轰緥锛?/p>
```java
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;
public class JdbcExample {
public static void main(String[] args) {
String url = "jdbc:mysql://localhost:3306/mydb";
String user = "root";
String password = "password";
try {
Connection conn = DriverManager.getConnection(url, user, password);
Statement stmt = conn.createStatement();
// 鍒涘缓琛紙濡傛灉灏氫笉瀛樺湪锛?/p>
stmt.executeUpdate("CREATE TABLE IF NOT EXISTS employees (id INT PRIMARY KEY, name VARCHAR(50), salary DECIMAL)");
stmt.close();
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
```
Java灏变笟椤圭洰妗堜緥鍒嗘瀽
鐪熷疄椤圭洰妗堜緥瑙ｆ瀽
鍦ㄥ氨涓氶」鐩腑锛岀悊瑙ｅ浣曡繍鐢↗ava鎶€鏈疄鐜颁笟鍔￠渶姹傛槸鏍稿績銆備互鐢靛晢缃戠珯涓轰緥锛孞ava甯歌鐢ㄤ簬寮€鍙戝悗绔湇鍔★紝闆嗘垚鏁版嵁搴撱€佺紦瀛樺拰娑堟伅闃熷垪绛夋妧鏈€傛繁鍏ュ垎鏋愯繖浜涢」鐩渚嬶紝鑳芥繁鍏ョ悊瑙ｅ紑鍙戞祦绋嬨€佸洟闃熷崗浣滃拰浠ｇ爜瑙勮寖銆?/p>
鑱屼笟鍙戝睍寤鸿涓庨」鐩鐞嗘妧宸?/h3> 浠ヤ笅鏄拡瀵笿ava寮€鍙戣€呯殑鑱屼笟鍙戝睍寤鸿鍜岄」鐩鐞嗘妧宸э細
鎸佺画瀛︿範锛欽ava鐢熸€佺郴缁熸寔缁紨杩涳紝寤鸿鎸佺画鍏虫敞鏂版妧鏈拰妗嗘灦锛屽Spring Boot銆丄ngular銆丷eact绛夈€?/p>
鍙備笌寮€婧愰」鐩?/strong>锛氶€氳繃鍙備笌寮€婧愰」鐩紝涓嶄粎鑳芥繁鍖栨妧鏈悊瑙ｏ紝杩樿兘鎻愬崌鍦ㄧぞ鍖轰腑鐨勭煡鍚嶅害銆?/p>
杞妧鑳界殑鍩瑰吇锛氶櫎浜嗘妧鏈兘鍔涳紝鍥㈤槦鍗忎綔銆佹椂闂寸鐞嗗拰闂瑙ｅ喅鑳藉姏绛夎蒋鎶€鑳藉悓鏍烽噸瑕併€傝繖浜涙妧鑳芥湁鍔╀簬鍦ㄩ」鐩腑鏇村ソ鍦板崗浣滃拰娌熼€氥€?/p>
閫氳繃瀹炶返鍜屽涔犱笂杩板缓璁紝Java寮€鍙戣€呬笉浠呰兘澶熸彁鍗囨妧鏈兘鍔涳紝杩樿兘鎷撳鑱屼笟鍙戝睍璺緞锛岄€傚簲涓嶆柇鍙樺寲鐨勫競鍦洪渶姹傘€傚湪杩欎釜鏁板瓧鍖栨椂浠ｏ紝Java渚濈劧鏄紒涓氱骇搴旂敤鐨勯閫夊紑鍙戣瑷€锛屾帉鎻″畠锛屼綘灏嗘嫢鏈夋洿骞块様鐨勫氨涓氬墠鏅€?/p> |
