姒傝堪

Seata鏄竴绉嶉珮鎬ц兘銆佺敤鎴峰弸濂界殑鍒嗗竷寮忎簨鍔¤В鍐虫柟妗堬紝涓撲负澶嶆潅鐨勫垎甯冨紡搴旂敤璁捐锛屾彁渚涚粺涓€鐨勪簨鍔＄鐞嗘湇鍔°€傝€孨acos锛屽垯鏄竴涓垎甯冨紡鐨勩€佸鏁版嵁涓績鍩虹鐨勩€佸姩鎬佷笖鍙几缂╃殑閫氱敤鏈嶅姟閰嶇疆涓庡彂鐜板钩鍙帮紝瀹冨湪寰湇鍔℃灦鏋勪腑鍙戞尌鐫€鏍稿績浣滅敤锛屽挨鍏舵槸鍦ㄧ鐞嗘湇鍔￠厤缃€佹湇鍔″彂鐜板拰鍛藉悕鏈嶅姟绛夋柟闈€傚綋Seata涓嶯acos鎼烘墜锛屽畠浠叡鍚屼负鍒嗗竷寮忕郴缁熷甫鏉ュ叏鏂逛綅鐨勫垎甯冨紡浜嬪姟瑙ｅ喅鏂规锛屽寘鎷湇鍔￠厤缃鐞嗐€佹湇鍔″彂鐜颁互鍙婁簨鍔′竴鑷存€т繚闅滅瓑銆?/p>

鍑嗗鐜

鍦ㄥ紑濮嬮厤缃甋eata涓嶯acos涔嬪墠锛屼綘闇€瑕佸叿澶囦互涓嬪熀纭€鐭ヨ瘑锛氱悊瑙ｅ垎甯冨紡绯荤粺鐨勫熀纭€缁勪欢浠ュ強鍩烘湰鐨勭紪绋嬫妧鑳姐€傛帴涓嬫潵锛岃鎴戜滑涓€璧锋帰绱㈠浣曞畨瑁呭拰閰嶇疆Nacos瀹炰緥锛屼互鍙婂浣曡繘琛岀幆澧冨彉閲忕殑璁剧疆锛屼互纭繚Seata鑳藉椤虹晠鍦颁笌Nacos杩涜娌熼€氥€?/p>

瀹夎涓庨厤缃甆acos瀹炰緥

浠庡畼鏂圭殑GitHub浠撳簱鎴栫綉绔欎笅杞絅acos鐨勫畨瑁呭寘锛岀劧鍚庝緷鎹畼鏂规枃妗ｇ殑鎸囧紩杩涜瀹夎銆傛帴涓嬫潵锛屾垜浠杩涜閲嶈鐨勯厤缃楠ゃ€?/p>

缂栬緫閰嶇疆鏂囦欢锛氭墦寮€nacos-server鐩綍涓嬬殑config/nacos/nacos-server.properties鏂囦欢锛岃繖閲屼綘闇€瑕侀厤缃甆acos鐨勬湇鍔″櫒鍦板潃鍜岀鍙ｇ瓑淇℃伅銆傜壒鍒娉ㄦ剰server.ip鍜宻erver.port鐨勮缃紝纭繚瀹冧滑涓庝綘鐨勫疄闄呰繍琛岀幆澧冪浉鍖归厤銆?/p>

鍚姩Nacos鏈嶅姟锛氭牴鎹綘鐨勬搷浣滅郴缁燂紝鎵ц鐩稿簲鐨勫懡浠ゆ潵鍚姩Nacos鏈嶅姟銆傚浜嶭inux绯荤粺锛屼娇鐢?/bin/nacos-server.sh start鍛戒护锛涜€屽浜嶹indows绯荤粺锛屽垯浣跨敤.\bin\cmd\start.cmd鍛戒护銆?/p>

璁剧疆鐜鍙橀噺

涓轰簡璁㏒eata鑳藉鎵惧埌骞惰繛鎺ュ埌Nacos鏈嶅姟锛屼綘闇€瑕佽缃互涓嬬幆澧冨彉閲忥細

NACOS_ADDR锛氭寚鍚慛acos鐨勫湴鍧€锛屼緥濡?27.0.0.1:8848銆?/p>

SEATA_NACOS_GROUP锛氱敤浜庡尯鍒嗕笉鍚岀殑Seata閰嶇疆闆嗭紝浣犲彲浠ラ€夋嫨榛樿涓衡€渄efault鈥濇垨鏍规嵁浣犵殑搴旂敤鍚嶇О杩涜璁惧畾銆?/p>

閰嶇疆Seata Client

Seata Client鏄疭eata鐨勬牳蹇冪粍浠朵箣涓€锛屽畠璐熻矗鍦ㄥ簲鐢ㄧ▼搴忎腑娉ㄥ叆鍒嗗竷寮忎簨鍔＄鐞嗗姛鑳姐€傞厤缃甋eata Client鏄暣鍚圫eata涓嶯acos鐨勫叧閿楠や箣涓€銆傞€氳繃姝ｇ‘閰嶇疆Seata Client锛屼綘鐨勫簲鐢ㄧ▼搴忓皢鑳藉鍒╃敤Seata鐨勫垎甯冨紡浜嬪姟绠＄悊鑳藉姏锛屽苟缁撳悎Nacos鐨勬湇鍔″彂鐜板拰閰嶇疆鍔熻兘锛屼负浣犵殑鍒嗗竷寮忕郴缁熸彁渚涘己澶ц€岀ǔ瀹氱殑浜嬪姟淇濋殰銆傛帴涓嬫潵锛屼綘鍙互鏍规嵁瀹樻柟鏂囨。鎴栫浉鍏宠祫婧愶紝杩涜Seata Client鐨勯厤缃紝浠ュ畬鎴怱eata涓嶯acos鐨勬暣鍚堛€傞厤缃甋eata Client鐨勬楠や粙缁?/p>

==================

涓€鎺㈠熀鏈厤缃?/p>

------

瑕佸惎鍔⊿eata Client锛屼綘闇€瑕佸湪搴旂敤鐨勪富绫绘垨閰嶇疆鏂囦欢涓姞鍏ヤ互涓嬩唬鐮併€傝鎴戜滑寮€濮嬬紪鐮佷箣鏃咃紒

鍦ㄧ浉鍏崇殑绫绘枃浠朵腑锛屽紩鍏ュ繀瑕佺殑搴撳拰閰嶇疆绫伙細

```java

import com.seata.demo.config.EnableAutoConfiguration;

import com.seata.demo.config.SeataProperties;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.boot.context.properties.EnableConfigurationProperties;

import org.springframework.cloud.client.discovery.EnableDiscoveryClient;

import org.springframework.cloud.openfeign.EnableFeignClients;

@SpringBootApplication

@EnableAutoConfiguration

@EnableConfigurationProperties(SeataProperties.class)

@EnableDiscoveryClient

@EnableFeignClients

public class SeataDemoApplication {

public static void main(String[] args) {

SpringApplication.run(SeataDemoApplication.class, args);

}

}

```

杩欐牱锛屼綘鐨勫簲鐢ㄥ氨鍙互寮€鍚疭eata Client妯″紡浜嗐€?/p>

瑙ｈ閰嶇疆鏂囦欢缁嗚妭

--------

鎺ヤ笅鏉ワ紝涓轰簡璁㏒eata涓嶯acos鎴愬姛閫氫俊锛屼綘闇€瑕佸湪`application.properties`鏂囦欢涓繘琛岄厤缃€傚叧閿厤缃涓嬶細

```properties

Seata鍏ㄥ眬閰嶇疆

seata.tx-service-group=default

seata.resource-service-group=default

Seata涓嶯acos鐨勯€氫俊閰嶇疆

seata.nacos.config.server-addr=127.0.0.1:8848 Nacos鏈嶅姟鍣ㄥ湴鍧€鍙婄鍙ｅ彿鏍规嵁瀹為檯鎯呭喌濉啓銆?/p>

seata.nacos.namespaces=your-namespace 浣犵殑鍛藉悕绌洪棿锛岃鏍规嵁瀹為檯鎯呭喌濉啓銆?/p>

seata.nacos.group=default 閰嶇疆鐨勭兢缁勫悕锛岄粯璁や负default鍗冲彲銆?/p>

```

---

Seata涓嶯acos鐨勫崕涓借瀺鍚堜箣鏃?馃敟

璁╂垜浠潵璋堣皥濡備綍宸у鍦板皢Seata涓嶯acos闆嗘垚鍒版垜浠殑鍒嗗竷寮忕郴缁熶腑锛屼负浣犵殑搴旂敤甯︽潵寮哄ぇ鐨勫垎甯冨紡浜嬪姟绠＄悊鑳藉姏銆備笅闈㈡槸涓€涓畝鐭殑浠ｇ爜绀轰緥锛屽睍绀轰簡濡備綍鍦ㄥ疄闄呭簲鐢ㄤ腑闆嗘垚杩欎袱涓己澶х殑宸ュ叿銆?/p>

璁╂垜浠湅涓€涓嬫垜浠殑鏍稿績瑙掕壊鈥斺€擳ransactionManager銆傚畠鏄疭eata鐨勬牳蹇冪粍浠讹紝璐熻矗鍚姩銆佹彁浜ゅ拰鍥炴粴浜嬪姟銆傛兂璞′竴涓嬶紝瀹冨氨鍍忎竴浣嶆帉鎺у叏灞€鐨勬寚鎸ュ锛屼紭闆呭湴鎸囨尌鐫€姣忎竴鍦轰簨鍔＄殑婕斿嚭銆?/p>

```java

import com.seata.tm.TransactionManager; // 寮曞叆Seata鐨勪簨鍔＄鐞嗘牳蹇冪被

public class TransactionManagerIntegration { // 瀹氫箟浜嬪姟鏁村悎绫?/p>

private TransactionManager transactionManager; // 鎴戜滑鐨勬寚鎸ュ锛屾帉鎺у叏灞€浜嬪姟

public void startTransaction() throws Exception { // 鍚姩浜嬪姟鐨勬柟娉?/p>

try {

// 鍚姩涓€涓猉A浜嬪姟锛屽苟鑾峰彇鍏剁姸鎬?/p>

TransactionStatus status = transactionManager.beginTransaction(TransactionManager.XA);

System.out.println("Transaction started"); // 杈撳嚭浜嬪姟鍚姩淇℃伅

} catch (Exception e) { // 寮傚父澶勭悊锛岄伩鍏嶆紨鍑轰腑鐨勫皬鎻掓洸

System.err.println("Failed to start transaction: " + e.getMessage());

}

}

// ...鍏朵粬鏂规硶鐪佺暐...

}

```

鐜板湪璁╂垜浠鍏ョ簿褰╃殑楠岃瘉涓庤皟璇曠幆鑺傘€備负浜嗙‘淇濆垎甯冨紡浜嬪姟鐨勯『鍒╄繘琛岋紝鎴戜滑闇€瑕佺紪鍐欒鐩栨墍鏈夊叧閿矾寰勭殑娴嬭瘯妗堜緥锛屼粠姝ｅ父鎯呭喌鍒拌竟鐣屾儏鍐靛啀鍒板紓甯告儏鍐点€傛兂璞′竴涓嬶紝杩欏氨鍍忔槸鍦ㄦ紨鍑哄墠杩涜涓ヨ皑鐨勬帓缁冨拰瀹℃煡銆傛垜浠繕闇€瑕佷娇鐢≒rometheus銆丟rafana绛夊伐鍏锋潵鐩戞帶绯荤粺鎬ц兘鍜岃祫婧愪娇鐢ㄦ儏鍐碉紝纭繚婕斿嚭鐨勯『鍒╄繘琛屻€傞€氳繃杩欎簺宸ュ叿锛屾垜浠彲浠ュ疄鏃剁洃鎺х郴缁熺殑鑴夋悘锛屽強鏃跺彂鐜板苟瑙ｅ喅娼滃湪鐨勯棶棰樸€傪煍?/p>

鍦ㄩ泦鎴愯繃绋嬩腑锛屾垜浠彲鑳戒細閬囧埌涓€浜涘父瑙侀棶棰樸€傚叾涓竴鑷存€ч棶棰樺拰鎬ц兘闂鏄袱澶ч噸鐐广€備负浜嗚В鍐宠繖浜涢棶棰橈紝鎴戜滑鍙互閲囧彇涓€浜涙渶浣冲疄璺点€備緥濡傦紝閫氳繃鍚堢悊閰嶇疆Seata鍙傛暟濡備簨鍔¤秴鏃舵椂闂淬€佽祫婧愰殧绂荤骇鍒瓑鏉ュ疄鐜伴厤缃紭鍖栥€備负浜嗗疄鐜扮郴缁熷湪寮傚父鎯呭喌涓嬬殑绋冲畾杩愯锛屾垜浠渶瑕佸疄鐜伴噸璇曟満鍒跺拰寮傚父鎭㈠绛栫暐銆傝繖灏卞儚鏄负绯荤粺鍑嗗涓€濂楀簲瀵圭獊鍙戞儏鍐电殑搴旀€ユ柟妗堛€傚疄鏃剁洃鎺х郴缁熸€ц兘鎸囨爣涔熸槸鑷冲叧閲嶈鐨勶紝杩欏彲浠ュ府鍔╂垜浠強鏃跺彂鐜板苟瑙ｅ喅鎬ц兘鐡堕銆傪煔?/p>

閬靛惊涓婅堪鎸囧崡鍜屾渶浣冲疄璺碉紝浣犲氨鑳借交鏉惧湴灏哠eata涓嶯acos闆嗘垚鍒板垎甯冨紡绯荤粺涓紝涓轰綘鐨勫簲鐢ㄦ彁渚涘己澶х殑鍒嗗竷寮忎簨鍔＄鐞嗚兘鍔涖€傛兂璞′竴涓嬶紝杩欏氨鍍忔槸缁欎綘鐨勭郴缁熸敞鍏ヤ簡涓€鍓傚己澶х殑娲诲姏鑽墏锛岃瀹冩洿鍔犲己澶с€佺ǔ瀹氬拰鍙潬锛侌煂?/p>