WebService学习笔记(一)

作者: huyi0616 | 来源:发表于2017-02-20 18:59 被阅读157次

WebService学习笔记(一)
SSM框架整合笔记（二）Druid和Webservice配置
WebService CXF 学习笔记
WebService学习系列之基础理论知识
WebService知识整理
1、WebService入门（webService笔记）
WebService就是这么简单
webservice开发学习系列
webservice学习笔记-jdk和cxf开发webservi
WebService学习系列之JDK开发WebService

一、基础进阶

httpclient调用WebService

package com.demo;

import com.midea.gls.MobileCodeWS;
import com.midea.gls.MobileCodeWSSoap;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

/**
 * \* Created with IntelliJ IDEA.
 * \* Author: huyi
 * \* Date: 2017/2/17 22:15
 * \* Description:
 * \
 */
public class WSHttpClient {



    public static void main(String[] args) {
        String mobileCode = "18680586568";

       // get(mobileCode);
//        post(mobileCode);

        soap(mobileCode);
    }

    public static void get(String mobileCode){
        HttpClient client = HttpClients.createDefault();
        HttpGet httpGet = new HttpGet("http://ws.webxml.com.cn//WebServices/MobileCodeWS.asmx/getMobileCodeInfo?mobileCode="+mobileCode+"&userID=");
        try {
            HttpResponse response = client.execute(httpGet);
            System.out.println("executing request " + httpGet.getURI());
            // 获取响应实体
            HttpEntity entity = response.getEntity();
            System.out.println("--------------------------------------");
            // 打印响应状态
            System.out.println(response.getStatusLine());
            if (entity != null) {
                // 打印响应内容长度
                System.out.println("Response content length: " + entity.getContentLength());
                // 打印响应内容
                System.out.println("Response content: " + EntityUtils.toString(entity));
            }
            System.out.println("------------------------------------");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void post(String mobileCodeVal){
        HttpClient client = HttpClients.createDefault();
        HttpPost httpPost = new HttpPost("http://ws.webxml.com.cn//WebServices/MobileCodeWS.asmx/getMobileCodeInfo");
        try {
            //设置参数
            List<NameValuePair> list = new ArrayList<NameValuePair>();
            list.add(new BasicNameValuePair("mobileCode",mobileCodeVal));
            list.add(new BasicNameValuePair("userID",""));
            UrlEncodedFormEntity requestEntiry = new UrlEncodedFormEntity(list);
            httpPost.setEntity(requestEntiry);
            HttpResponse response = client.execute(httpPost);
            System.out.println("executing request " + httpPost.getURI());
            // 获取响应实体
            HttpEntity httpEntity = response.getEntity();
            System.out.println("--------------------------------------");
            // 打印响应状态
            System.out.println(response.getStatusLine());
            if (httpEntity != null) {
                // 打印响应内容长度
                System.out.println("Response content length: " + httpEntity.getContentLength());
                // 打印响应内容
                System.out.println("Response content: " + EntityUtils.toString(httpEntity));
            }
            System.out.println("------------------------------------");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void soap(String mobileVal){
        MobileCodeWS mobileCodeWS = new MobileCodeWS();
        MobileCodeWSSoap mobileCodeWSSoap = mobileCodeWS.getMobileCodeWSSoap();
        String address = mobileCodeWSSoap.getMobileCodeInfo(mobileVal, null);
        System.out.println(address);
    }
}

wsimport调用WSDL

wsimport -s . -p com.midea.gls http://ws.webxml.com.cn/WebServices/MobileCodeWS.asmx?WSDL

找到WSDL中关于service的调用

    public static void soap(String mobileVal){
        MobileCodeWS mobileCodeWS = new MobileCodeWS();
        MobileCodeWSSoap mobileCodeWSSoap = mobileCodeWS.getMobileCodeWSSoap();
        String address = mobileCodeWSSoap.getMobileCodeInfo(mobileVal, null);
        System.out.println(address);
    }

二、发布自己的WSDL

发布自己的WSDL时候,需要注意，地址栏后面要自己加?WSDL

package com.demo;

import javax.jws.WebService;
import javax.xml.ws.Endpoint;

/**
 * \* Created with IntelliJ IDEA.
 * \* Author: huyi
 * \* Date: 2017/2/20 13:32
 * \* Description:
 * \
 */
@WebService
public class MyWS {

    public String sayHello(String name) {
        String reVal = name + ", 你好!";
        System.out.println(reVal);
        return reVal;
    }

    public static void main(String[] args) {
        String address = "http://10.74.96.29/ws";
        Endpoint.publish(address , new MyWS());
        System.out.println("发布的地址是:"+address);
    }
}

访问http://10.74.96.29/ws?WSDL，可以见到

This XML file does not appear to have any style information associated with it. The document tree is shown below.
<wsdl:definitions xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:tns="http://demo.com/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:ns1="http://schemas.xmlsoap.org/soap/http" name="MyWSService" targetNamespace="http://demo.com/">
<wsdl:types>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:tns="http://demo.com/" elementFormDefault="unqualified" targetNamespace="http://demo.com/" version="1.0">
<xs:element name="sayHello" type="tns:sayHello"/>
<xs:element name="sayHelloResponse" type="tns:sayHelloResponse"/>
<xs:complexType name="sayHello">
<xs:sequence>
<xs:element minOccurs="0" name="arg0" type="xs:string"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="sayHelloResponse">
<xs:sequence>
<xs:element minOccurs="0" name="return" type="xs:string"/>
</xs:sequence>
</xs:complexType>
</xs:schema>
</wsdl:types>
<wsdl:message name="sayHello">
<wsdl:part element="tns:sayHello" name="parameters"></wsdl:part>
</wsdl:message>
<wsdl:message name="sayHelloResponse">
<wsdl:part element="tns:sayHelloResponse" name="parameters"></wsdl:part>
</wsdl:message>
<wsdl:portType name="MyWS">
<wsdl:operation name="sayHello">
<wsdl:input message="tns:sayHello" name="sayHello"></wsdl:input>
<wsdl:output message="tns:sayHelloResponse" name="sayHelloResponse"></wsdl:output>
</wsdl:operation>
</wsdl:portType>
<wsdl:binding name="MyWSServiceSoapBinding" type="tns:MyWS">
<soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
<wsdl:operation name="sayHello">
<soap:operation soapAction="" style="document"/>
<wsdl:input name="sayHello">
<soap:body use="literal"/>
</wsdl:input>
<wsdl:output name="sayHelloResponse">
<soap:body use="literal"/>
</wsdl:output>
</wsdl:operation>
</wsdl:binding>
<wsdl:service name="MyWSService">
<wsdl:port binding="tns:MyWSServiceSoapBinding" name="MyWSPort">
<soap:address location="http://10.74.96.29/ws"/>
</wsdl:port>
</wsdl:service>
</wsdl:definitions>

三、客户端访问

首先在CMD中调用wsimport工具生成本地WebService代码

wsimport -s . -p com.ws http://10.74.96.29/ws?WSDL

导入代码到本地项目后，直接调用即可

    public static void soap2(String mobileVal){
        MyWS mobileCodeWS = new MyWS();
        String name = "huyi";
        String reVal = mobileCodeWS.sayHello(name);
        System.out.println(reVal);
    }

注意：一个端口可以发布多个Webservice服务

四、ajax访问WebService

ajax不能直接访问WebService，因为存在跨域的问题，需要变通一下，通过ajax调用工程下的客户端访问WebService，客户端可以是一个servlet，或者spring下的controller

ws.jsp

<%--
  Created by IntelliJ IDEA.
  User: huyi
  Date: 2017/2/20
  Time: 15:05
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<html>
<head>

    <title>$Title$</title>
    <script src="js/jquery/jquery.min.js"></script>
    <script>


        $("#myWs").click(function () {
            console.info(data);
            /**/
            console.info("----2-------");
        })

        function getVal() {
            console.info("-----1---" + $("#myWs").val() + "------");
            var data = {
                name:$("#name").val()
            }

            $.ajax({
                method:'POST',
                url:'http://localhost:8080/ws/myWsServlet?name='+$("#name").val(),
                success:function(result) {
                    console.info("-----3---" + result + "------");
                }
            });
        }

    </script>
</head>
<body>
<input type="text" id="name">
<input type="button" name="调用WebService" id="myWs" value="调用WebService" onclick="getVal()">
</body>
</html>

servlet

package com.gls.ws;

import com.demo.*;

import javax.servlet.Servlet;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * \* Created with IntelliJ IDEA.
 * \* Author: huyi
 * \* Date: 2017/2/20 15:50
 * \* Description:
 * \
 */
public class MyWsServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("UTF-8");
        resp.setCharacterEncoding("UTF-8");
        com.demo.MyWS mobileCodeWS = new com.demo.MyWS();
        String name = req.getParameter("name");
        String reVal = mobileCodeWS.sayHello(name);
        System.out.println(reVal+"------------");
        resp.getWriter().print(reVal);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);
    }
}

web.xml

    <servlet>
        <servlet-name>myWs</servlet-name>
        <servlet-class>com.gls.ws.MyWsServlet</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>myWs</servlet-name>
        <url-pattern>/myWsServlet</url-pattern>
    </servlet-mapping>

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