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有遇到在 execute shell script on remote host using ssh 執(zhí)行 node 報找不到命令，但是在其linux上執(zhí)行node是可以執(zhí)行的，知道怎么解決嗎？

應(yīng)用啟動就實例化，具體可以看DefaultListableBeanFactory 和AbstractAutowireCapableBeanFactory的源碼,@autowired是Bean的裝配，具體可以看AutowiredAnnotationBeanPostProcessor的源碼。

public static void doSome(String className, String methodName, Object[] methodArgs) throws Exception {
    Class c = Class.forName(className);
    Object target = c.newInstance();
    if (methodArgs == null) {
        methodArgs = new Object[0];
    }
    Class[] classes = new Class[methodArgs.length];
    for (int i = 0; i < methodArgs.length; i++) {
        classes[i] = methodArgs[i].getClass();
    }
    Method method = c.getMethod(methodName, classes);
    method.invoke(target, methodArgs);
}

試一下SQLAlchemy的event吧（http://docs.sqlalchemy.org/en...）
一個簡單的使用例子

import sqlalchemy
from sqlalchemy import event
from models import Wallet

class User(db.Model):
  name = sqlalchemy.column(s.String)

  @staticmethod
  def after_create(mapper, connection, target):
    wallet = Wallet()
    db.session.add(wallet)
    db.session.commit()
    
event.listen(User, 'after_insert', User.after_create)

const $ = document.querySelector.bind(document)

Cannot cast org.apache.cxf.transport.http_jetty.continuations.JettyContinuationProviderFactory to org.apache.cxf.transport.http.ContinuationProviderFactory
這行代碼是類轉(zhuǎn)換異常，你使用了jetty的jar在服務(wù)中，tomcat中使用jetty的jar包，會有jar沖突

在定義前/**然后回車就OK了

HttpURLConnection 有個 setReadTimeout 的方法可以實現(xiàn)你的需求。

public static String doGet(String HTTP_URL, Object object) {
        BufferedReader reader = null;
        String result = null;
        StringBuffer httpUrl = new StringBuffer(HTTP_URL);
        StringBuffer sbf = new StringBuffer();
        HttpURLConnection connection = null;
        try {
            System.out.println(httpUrl.toString());
            URL url = new URL(httpUrl.toString());
            connection = (HttpURLConnection) url.openConnection();
            connection.setDoOutput(true);
            connection.setDoInput(true);
            // 請求方式設(shè)置 POST
            connection.setRequestMethod("GET");
            // 設(shè)置維持長連接
            connection.setRequestProperty("Connection", "Keep-Alive");
            // 設(shè)置文件字符集:
            connection.setRequestProperty("Charset", "UTF-8");

            //根據(jù)需求設(shè)置讀超時的時間
            connection.setReadTimeout(50);
            // 開始連接請求
            connection.connect();
            OutputStream out = connection.getOutputStream();
            out.write((object.toString()).getBytes());
            out.flush();
            out.close();
            if (connection.getResponseCode() == 200) {
                System.out.println("連接成功,傳送數(shù)據(jù)...");
                InputStream is = connection.getInputStream();
                reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
                String strRead = null;
                while ((strRead = reader.readLine()) != null) {
                    sbf.append(strRead);
                    sbf.append("\r\n");
                }
                reader.close();
                result = sbf.toString();
                if (result.equals("1")) {
                    return "1";
                } else if(result.equals("0")) {
                    return "0";
                } else {
                    return result;
                }
            } else {
                System.out.println("連接失敗,錯誤代碼:" + connection.getResponseCode());
            }
        } catch (Exception e) {
            if(e instanceof SocketTimeoutException) {
                if("Read timed out".equals(e.getMessage()) && connection != null && connection.getDoOutput()) {
                    //TODO 只請求不需要響應(yīng)
                    return null;
                }
            }
            e.printStackTrace();
        }
        return null;
    }

可以的。
在路由層那里resolve處理

POST請求，最好使用RequestBody + bean(json)的形式

我覺得與樓主提供的的連接相比，不如分成面向?qū)ο?/code>、面向過程，以及函數(shù)式編程。這里顯然是面向?qū)ο蟮摹?/p>