程序：

提示參數越界，但我實在不知道我到底哪里越界了。明明該我那樣寫的嘛。求高手幫我看看，

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Document?? : replyok

Created on : 2008-9-29, 6:05:31

Author???? : Administrator

--%>

int sid = Integer.parseInt(request.getParameter("id"));

String title = request.getParameter("title");

String text = request.getParameter("text");

Connection conn = null;

PreparedStatement pstat = null;

ResultSet rs = null;

String sqlstr = "insert into bbsrecord (id,root,sid,leaf,title,text,time) values(null,0.?,1,?,?,now())";//為什么呢？??????????? Class.forName("com.mysql.jdbc.Driver");

String url = "jdbc:mysql://127.0.0.1:3306/test?user=root&password=159753";

conn = DriverManager.getConnection(url);

pstat = conn.prepareStatement("sqlstr");

pstat.setInt(1,sid);

pstat.setString(2, title);

pstat.setString(3,text);??????????????????? //為什么呢？

pstat.executeUpdate();

pstat.close();

Statement stattwo = conn.createStatement();

stattwo.execute("update bbsrecord set leaf=0 where id= " + sid);

stattwo.close();

conn.close();

%>

錯誤報告：

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exceptionorg.apache.jasper.JasperException: An exception occurred processing JSP page /replyok.jsp at line 20

17: String url = "jdbc:mysql://127.0.0.1:3306/test?user=root&password=159753";

18: conn = DriverManager.getConnection(url);

19: pstat = conn.prepareStatement("sqlstr");

20: pstat.setInt(1,sid);

21: pstat.setString(2, title);

22: pstat.setString(3,text);

23: pstat.close();

Stacktrace:

org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:505)

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:398)

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)

org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)

javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

root causejavax.servlet.ServletException: java.sql.SQLException: Parameter index out of range (1 > number of parameters, which is 0).

org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:850)

org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:779)

org.apache.jsp.replyok_jsp._jspService(replyok_jsp.java:96)

org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)

javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)

org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)

javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

root causejava.sql.SQLException: Parameter index out of range (1 > number of parameters, which is 0).

com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1056)

com.mysql.jdbc.SQLError.createSQLException(SQLError.java:957)

com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927)

com.mysql.jdbc.PreparedStatement.checkBounds(PreparedStatement.java:3279)

com.mysql.jdbc.PreparedStatement.setInternal(PreparedStatement.java:3263)

com.mysql.jdbc.PreparedStatement.setInternal(PreparedStatement.java:3305)

com.mysql.jdbc.PreparedStatement.setInt(PreparedStatement.java:3249)

org.apache.jsp.replyok_jsp._jspService(replyok_jsp.java:69)

org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)

javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)

org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)

javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.16 logs.

Apache Tomcat/6.0.16