JAVA定時器java.util.Timer的使用

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left>import<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> java.text.SimpleDateFormat;</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left>import<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> java.util.Date;</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left>import<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> java.util.Timer;</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left>import<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> java.util.TimerTask;</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> </SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> </SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left>public<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> </SPAN>class<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> DEMO {</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> </SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">    </SPAN>public<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> </SPAN>static<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> </SPAN>void<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> main(String[] args) {</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">       </SPAN>final<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> Timer timer=</SPAN>new<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> Timer();</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #3f7f5f; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">//</SPAN>實例化<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #3f7f5f; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">Timer</SPAN>類 <SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">       timer.schedule(</SPAN>new<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> TimerTask(){</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">           </SPAN>public<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> </SPAN>void<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> run() {</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">              String cur_Time = </SPAN>new<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> SimpleDateFormat(</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #2a00ff; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">"HH:mm:ss"</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">).format(</SPAN>new<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> Date());</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">              System.</SPAN>out<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">.println(cur_Time);</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">              </SPAN>if<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">(cur_Time.equals(</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #2a00ff; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">"12:00:00"</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">)){</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">                  timer.cancel();</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #3f7f5f; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">//</SPAN>停止定時器<SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">              }</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">           }</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">       },0,1000);</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #3f7f5f; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">//</SPAN>定時器執行間隔時間，單位毫秒<SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">    }</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">}</SPAN></P>