JSP开发中遇到的几个小问题

<p class="MsoNormal" style="margin: 0cm 0cm 0pt;">[size=small;]<span style="">①[/size]<span style="">页面参数传递中文时候乱码。</span></span>

<p class="MsoNormal" style="margin: 0cm 0cm 0pt;">[size=small;]<span lang="EN-US"><span style="font-family: Times New Roman;">request.setCharacterEncoding("GBK")[/size]</span><span style="">或</span><span lang="EN-US"><span style="font-family: Times New Roman;">request.setCharacterEncoding("gb2312")</span></span><span style="">。</span></span>

<p class="MsoNormal" style="margin: 0cm 0cm 0pt;"><span lang="EN-US"><span style="font-family: Times New Roman; font-size: small;">String searchStrTemp=((String)request.getParameter("text1")).trim();</span></span>

<p class="MsoNormal" style="margin: 0cm 0cm 0pt;">[size=small;]<span style="">②[/size]<span lang="EN-US"><span style="font-family: Times New Roman;">JSP</span></span><span style="">采用</span><span lang="EN-US"><span style="font-family: Times New Roman;">JDBC</span></span><span style="">连接</span><span lang="EN-US"><span style="font-family: Times New Roman;">DB2</span></span><span style="">时发生错误</span></span>