利用javaMail发送邮件

这篇实现了简单的发送邮件。

<code class="hljs lasso has-numbering" style="display: block; padding: 0px; background-color: transparent; color: inherit; box-sizing: border-box; font-family: 'Source Code Pro', monospace;font-size:undefined; white-space: pre; border-top-left-radius: 0px; border-top-right-radius: 0px; border-bottom-right-radius: 0px; border-bottom-left-radius: 0px; word-wrap: normal; background-position: initial initial; background-repeat: initial initial;"><span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">import</span> java<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>util<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span><span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">Date</span>;<span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">import</span> java<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>util<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span><span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">Map</span>;<span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">import</span> java<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>util<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>Properties;<span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">import</span> javax<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>mail<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>Address;<span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">import</span> javax<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>mail<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>Authenticator;<span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">import</span> javax<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>mail<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>Message;<span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">import</span> javax<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>mail<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>PasswordAuthentication;<span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">import</span> javax<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>mail<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>Session;<span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">import</span> javax<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>mail<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>Transport;<span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">import</span> javax<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>mail<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>internet<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>InternetAddress;<span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">import</span> javax<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>mail<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>internet<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>MimeMessage;<span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">public</span> class Sender {    <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">//填写 邮箱的用户名 / 密码 这个可以配置在一个properties 文件中</span>    <span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">private</span> <span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">String</span> username <span class="hljs-subst" style="color: rgb(0, 0, 0); box-sizing: border-box;">=</span> <span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"[e-mail]"</span>;    <span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">private</span> <span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">String</span> password <span class="hljs-subst" style="color: rgb(0, 0, 0); box-sizing: border-box;">=</span> <span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"xxxxxxx"</span>;    <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">//这里可以放一个对象进来不用非用map</span>    <span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">public</span> <span class="hljs-literal" style="color: rgb(0, 102, 102); box-sizing: border-box;">void</span> send(<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">Map</span> <span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">map</span>)throws Exception{        <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">/*         * 创建Properties对象         * 设置连接的邮件服务地址         * 开启身份验证         */</span>        Properties props <span class="hljs-subst" style="color: rgb(0, 0, 0); box-sizing: border-box;">=</span> <span class="hljs-literal" style="color: rgb(0, 102, 102); box-sizing: border-box;">new</span> Properties();        <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">//这个是邮箱服务  qq 的就是smtp.qq.com</span>        props<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>put(<span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"mail.smtp.host"</span>, <span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"smtp.163.com"</span>);        <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">//开启验证</span>        props<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>put(<span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"mail.smtp.auth"</span>, <span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"true"</span>);        <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">/*         * 从 ProPerties中创建一个会话对象 ,连接邮件服务器         * getDefaultInstance(1,2)         * 1Properties         * 2身份验证对象Authenticator         */</span>        Session session <span class="hljs-subst" style="color: rgb(0, 0, 0); box-sizing: border-box;">=</span> Session<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>getDefaultInstance(props,<span class="hljs-literal" style="color: rgb(0, 102, 102); box-sizing: border-box;">new</span> Authenticator(){            @Override            <span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">protected</span> PasswordAuthentication getPasswordAuthentication() {                <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">// TODO Auto-generated method stub</span>                <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">//这个事验证用户名和密码</span>                <span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">return</span> <span class="hljs-literal" style="color: rgb(0, 102, 102); box-sizing: border-box;">new</span> PasswordAuthentication(username, password);            }        });        <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">/*         * 定义邮件内容对象 Message  将session 放入         */</span>        Message msg <span class="hljs-subst" style="color: rgb(0, 0, 0); box-sizing: border-box;">=</span> <span class="hljs-literal" style="color: rgb(0, 102, 102); box-sizing: border-box;">new</span> MimeMessage(session);        <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">//定义发送人</span>        Address from <span class="hljs-subst" style="color: rgb(0, 0, 0); box-sizing: border-box;">=</span> <span class="hljs-literal" style="color: rgb(0, 102, 102); box-sizing: border-box;">new</span> InternetAddress((<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">String</span>)<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">map</span><span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>get(<span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"from"</span>));        msg<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>setFrom(from);        <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">//定义收件人</span>        Address <span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">to</span> <span class="hljs-subst" style="color: rgb(0, 0, 0); box-sizing: border-box;">=</span> <span class="hljs-literal" style="color: rgb(0, 102, 102); box-sizing: border-box;">new</span> InternetAddress((<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">String</span>)<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">map</span><span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>get(<span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"to"</span>));        msg<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>setRecipient(Message<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>RecipientType<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span><span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">TO</span>,<span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">to</span>);        <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">/*Address[] tos = new Address[3];        msg.setRecipients(Message.RecipientType.TO, tos);*/</span>        <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">//定义抄送人  这里如果是多个的话   需要一个Address 数组</span>        Address cc <span class="hljs-subst" style="color: rgb(0, 0, 0); box-sizing: border-box;">=</span> <span class="hljs-literal" style="color: rgb(0, 102, 102); box-sizing: border-box;">new</span> InternetAddress((<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">String</span>)<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">map</span><span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>get(<span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"cc"</span>));        msg<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>setRecipient(Message<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>RecipientType<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>CC,cc);        <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">//设置主题</span>        msg<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>setSubject((<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">String</span>)<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">map</span><span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>get(<span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"subject"</span>));        <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">/*         * 添加邮件内容         * setContent         */</span>        msg<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>setContent((<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">String</span>)<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">map</span><span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>get(<span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"content"</span>),<span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"text/plain;charset=utf-8"</span>);        <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">//发送时间</span>        msg<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>setSentDate(<span class="hljs-literal" style="color: rgb(0, 102, 102); box-sizing: border-box;">new</span> <span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">Date</span>());        <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">//保存消息</span>        msg<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>saveChanges();        <span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">//发送消息</span>        Transport<span class="hljs-built_in" style="color: rgb(102, 0, 102); box-sizing: border-box;">.</span>send(msg);    }}</code><ul class="pre-numbering" style="box-sizing: border-box; position: absolute; width: 50px; background-color: rgb(238, 238, 238); top: 0px; left: 0px; margin: 0px; padding: 6px 0px 40px; border-right-width: 1px; border-right-style: solid; border-right-color: rgb(221, 221, 221); list-style: none; text-align: right;"><li style="box-sizing: border-box; padding: 0px 5px;">1</li><li style="box-sizing: border-box; padding: 0px 5px;">2</li><li style="box-sizing: border-box; padding: 0px 5px;">3</li><li style="box-sizing: border-box; padding: 0px 5px;">4</li><li style="box-sizing: border-box; padding: 0px 5px;">5</li><li style="box-sizing: border-box; padding: 0px 5px;">6</li><li style="box-sizing: border-box; padding: 0px 5px;">7</li><li style="box-sizing: border-box; padding: 0px 5px;">8</li><li style="box-sizing: border-box; padding: 0px 5px;">9</li><li style="box-sizing: border-box; padding: 0px 5px;">10</li><li style="box-sizing: border-box; padding: 0px 5px;">11</li><li style="box-sizing: border-box; padding: 0px 5px;">12</li><li style="box-sizing: border-box; padding: 0px 5px;">13</li><li style="box-sizing: border-box; padding: 0px 5px;">14</li><li style="box-sizing: border-box; padding: 0px 5px;">15</li><li style="box-sizing: border-box; padding: 0px 5px;">16</li><li style="box-sizing: border-box; padding: 0px 5px;">17</li><li style="box-sizing: border-box; padding: 0px 5px;">18</li><li style="box-sizing: border-box; padding: 0px 5px;">19</li><li style="box-sizing: border-box; padding: 0px 5px;">20</li><li style="box-sizing: border-box; padding: 0px 5px;">21</li><li style="box-sizing: border-box; padding: 0px 5px;">22</li><li style="box-sizing: border-box; padding: 0px 5px;">23</li><li style="box-sizing: border-box; padding: 0px 5px;">24</li><li style="box-sizing: border-box; padding: 0px 5px;">25</li><li style="box-sizing: border-box; padding: 0px 5px;">26</li><li style="box-sizing: border-box; padding: 0px 5px;">27</li><li style="box-sizing: border-box; padding: 0px 5px;">28</li><li style="box-sizing: border-box; padding: 0px 5px;">29</li><li style="box-sizing: border-box; padding: 0px 5px;">30</li><li style="box-sizing: border-box; padding: 0px 5px;">31</li><li style="box-sizing: border-box; padding: 0px 5px;">32</li><li style="box-sizing: border-box; padding: 0px 5px;">33</li><li style="box-sizing: border-box; padding: 0px 5px;">34</li><li style="box-sizing: border-box; padding: 0px 5px;">35</li><li style="box-sizing: border-box; padding: 0px 5px;">36</li><li style="box-sizing: border-box; padding: 0px 5px;">37</li><li style="box-sizing: border-box; padding: 0px 5px;">38</li><li style="box-sizing: border-box; padding: 0px 5px;">39</li><li style="box-sizing: border-box; padding: 0px 5px;">40</li><li style="box-sizing: border-box; padding: 0px 5px;">41</li><li style="box-sizing: border-box; padding: 0px 5px;">42</li><li style="box-sizing: border-box; padding: 0px 5px;">43</li><li style="box-sizing: border-box; padding: 0px 5px;">44</li><li style="box-sizing: border-box; padding: 0px 5px;">45</li><li style="box-sizing: border-box; padding: 0px 5px;">46</li><li style="box-sizing: border-box; padding: 0px 5px;">47</li><li style="box-sizing: border-box; padding: 0px 5px;">48</li><li style="box-sizing: border-box; padding: 0px 5px;">49</li><li style="box-sizing: border-box; padding: 0px 5px;">50</li><li style="box-sizing: border-box; padding: 0px 5px;">51</li><li style="box-sizing: border-box; padding: 0px 5px;">52</li><li style="box-sizing: border-box; padding: 0px 5px;">53</li><li style="box-sizing: border-box; padding: 0px 5px;">54</li><li style="box-sizing: border-box; padding: 0px 5px;">55</li><li style="box-sizing: border-box; padding: 0px 5px;">56</li><li style="box-sizing: border-box; padding: 0px 5px;">57</li><li style="box-sizing: border-box; padding: 0px 5px;">58</li><li style="box-sizing: border-box; padding: 0px 5px;">59</li><li style="box-sizing: border-box; padding: 0px 5px;">60</li><li style="box-sizing: border-box; padding: 0px 5px;">61</li><li style="box-sizing: border-box; padding: 0px 5px;">62</li><li style="box-sizing: border-box; padding: 0px 5px;">63</li><li style="box-sizing: border-box; padding: 0px 5px;">64</li><li style="box-sizing: border-box; padding: 0px 5px;">65</li><li style="box-sizing: border-box; padding: 0px 5px;">66</li><li style="box-sizing: border-box; padding: 0px 5px;">67</li><li style="box-sizing: border-box; padding: 0px 5px;">68</li><li style="box-sizing: border-box; padding: 0px 5px;">69</li><li style="box-sizing: border-box; padding: 0px 5px;">70</li><li style="box-sizing: border-box; padding: 0px 5px;">71</li><li style="box-sizing: border-box; padding: 0px 5px;">72</li><li style="box-sizing: border-box; padding: 0px 5px;">73</li></ul>

测试：

<code class="hljs java has-numbering" style="display: block; padding: 0px; background-color: transparent; color: inherit; box-sizing: border-box; font-family: 'Source Code Pro', monospace;font-size:undefined; white-space: pre; border-top-left-radius: 0px; border-top-right-radius: 0px; border-bottom-right-radius: 0px; border-bottom-left-radius: 0px; word-wrap: normal; background-position: initial initial; background-repeat: initial initial;"><span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">import</span> java.util.HashMap;<span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">import</span> java.util.Map;<span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">import</span> com.etoak.util.Sender;<span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">public</span> <span class="hljs-class" style="box-sizing: border-box;"><span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">class</span> <span class="hljs-title" style="box-sizing: border-box; color: rgb(102, 0, 102);">Test</span> {</span>    <span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">public</span> <span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">static</span> <span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">void</span> <span class="hljs-title" style="box-sizing: border-box;">main</span>(String[] args) <span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">throws</span> Exception {        Map map = <span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">new</span> HashMap();        map.put(<span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"from"</span>,<span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"[e-mail]"</span>);        map.put(<span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"to"</span>,<span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"[e-mail]"</span>);        map.put(<span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"cc"</span>, <span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"[e-mail]"</span>);        map.put(<span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"content"</span>, <span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"这是邮件内容"</span>);        map.put(<span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"subject"</span>,<span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"这是主题"</span>);        Sender sd = <span class="hljs-keyword" style="color: rgb(0, 0, 136); box-sizing: border-box;">new</span> Sender();        sd.send(map);</code>