Question

从html页面将数据插入数据库，我已成功将数据传递给jsp，然后传递给java文件，但是在将数据插入数据库时出现错误。

这是查询：

String ResultQuery = "INSERT INTO Results (homeTeam, awayTeam, homeScore, awayScore)" +
    "VALUES (+HomeTeam+','+AwayTeam+','+HomeScore+','+AwayScore+)";

这是错误：

javax.servlet.ServletException: java.sql.SQLException: [Microsoft][ODBC Microsoft Access Driver] Syntax error (missing operator) in query expression '+HomeTeam+','+AwayTeam+','+HomeScore+','+AwayScore+'.

Answer 1

您的查询错误，如果所有这些[HomeTeam，AwayTeam，HomeScore，AwayScore]都是变量，您应该以这种形式重写查询：

String ResultQuery = "INSERT INTO Results (homeTeam, awayTeam, homeScore, awayScore)" +
    "VALUES ('"+HomeTeam+"','"+AwayTeam+"','"+HomeScore+"','"+AwayScore+"')";

但如果那些不是变量，你应该用这种形式写：

String ResultQuery = "INSERT INTO Results (homeTeam, awayTeam, homeScore, awayScore)" +
    "VALUES ('HomeTeam','AwayTeam','HomeScore','AwayScore')";

Answer 2

您似乎在第一个值之前缺少单个引号（'），然后在最后一个值结束时丢失。

Answer 3

看起来你错过了一些引用 - 试试这个：

String ResultQuery = "INSERT INTO Results (homeTeam, awayTeam, homeScore, awayScore)" +
"VALUES ("+HomeTeam+"','"+AwayTeam+"','"+HomeScore+"','"+AwayScore+")";

（我假设HomeTeam, AwayTeam, HomeScore, AwayScore是变量）

将数据从html插入数据库，查询错误

3 个答案: