📄 手机与servlet的网络通信技巧.htm
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lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'"><SPAN
style="mso-tab-count: 1">
</SPAN>final static String defaultURL =
"http://localhost:8080/examples/servlet/ServletApp";<O:P>
</O:P></SPAN></P>
<P align=left class=MsoNormal
style="TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'"><SPAN
style="mso-tab-count: 1">
</SPAN>public ClientApp(){<O:P> </O:P></SPAN></P>
<P align=left class=MsoNormal
style="TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'"><SPAN
style="mso-tab-count: 2">
</SPAN>display = Display.getDisplay(this);<O:P>
</O:P></SPAN></P>
<P align=left class=MsoNormal
style="TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'"><SPAN
style="mso-tab-count: 2">
</SPAN>tf1 = new TextField("input first param:","</SPAN><SPAN
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN; mso-fareast-font-family: 'MS Sans Serif'">卢东方</SPAN><SPAN
lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'">",20,TextField.ANY);<O:P>
</O:P></SPAN></P>
<P align=left class=MsoNormal
style="TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'"><SPAN
style="mso-tab-count: 2">
</SPAN>tf2 = new TextField("input second param:","</SPAN><SPAN
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN; mso-fareast-font-family: 'MS Sans Serif'">王桃群</SPAN><SPAN
lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'">",20,TextField.ANY);<O:P>
</O:P></SPAN></P>
<P align=left class=MsoNormal
style="TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'"><SPAN
style="mso-tab-count: 2">
</SPAN>cmdSend = new Command("Send",Command.SCREEN,1);<O:P>
</O:P></SPAN></P>
<P align=left class=MsoNormal
style="TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'"><SPAN
style="mso-tab-count: 2">
</SPAN>cmdBack = new Command("Back",Command.SCREEN,1);<O:P>
</O:P></SPAN></P>
<P align=left class=MsoNormal
style="TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'"><SPAN
style="mso-tab-count: 2">
</SPAN>inputForm = new Form("pls input the param:");<O:P>
</O:P></SPAN></P>
<P align=left class=MsoNormal
style="TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'"><SPAN
style="mso-tab-count: 2">
</SPAN>inputForm.append(tf1); inputForm.append(tf2);
inputForm.addCommand(cmdSend);<SPAN
style="mso-tab-count: 2">
</SPAN><O:P></O:P></SPAN></P>
<P align=left class=MsoNormal
style="TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'"><SPAN
style="mso-tab-count: 2">
</SPAN>inputForm.setCommandListener(this);<SPAN
style="mso-tab-count: 1">
</SPAN><O:P></O:P></SPAN></P>
<P align=left class=MsoNormal
style="TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'"><SPAN
style="mso-tab-count: 1">
</SPAN>}<O:P> </O:P></SPAN></P>
<P align=left class=MsoNormal
style="TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'"><SPAN
style="mso-tab-count: 1">
</SPAN>public void startApp() throws
MIDletStateChangeException{<O:P> </O:P></SPAN></P>
<P align=left class=MsoNormal
style="TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'"><SPAN
style="mso-tab-count: 2">
</SPAN>display.setCurrent(inputForm);<SPAN
style="mso-tab-count: 2">
</SPAN><O:P></O:P></SPAN></P>
<P align=left class=MsoNormal
style="TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'"><SPAN
style="mso-tab-count: 1">
</SPAN>}<O:P> </O:P></SPAN></P>
<P align=left class=MsoNormal
style="TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'"><SPAN
style="mso-tab-count: 1">
</SPAN>public void invokeServlet(String url) throws
IOException {<O:P> </O:P></SPAN></P>
<P align=left class=MsoNormal
style="TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'"><SPAN
style="mso-tab-count: 2">
</SPAN>HttpConnection hc = null; DataOutputStream dos = null;
DataInputStream dis = null;<O:P> </O:P></SPAN></P>
<P align=left class=MsoNormal
style="TEXT-ALIGN: left; mso-layout-grid-align: none"><SPAN
lang=EN-US
style="FONT-FAMILY: 'MS Sans Serif'; FONT-SIZE: 9pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'MS Sans Serif'; mso-font-kerning: 0pt; mso-fareast-font-family: 'MS Sans Serif'"><SPAN
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