QueryRunner requires a DataSource to be invoked in this way, or a Connection should be passed in
这个错误是在使用C3P0包中的QueryRunner时候出现的错误，从错误提示的字面意思是QueryRunner需要一个数据源或者是一个连接。 我们在QueryRunner构造函数中传入一个数据源就可以了。错误的原因是我忘记了传入。在开发的时候有的地方需要特别小心。 文章为阿伦原创,如果文章有错的地方欢迎指正，大家互相交流。
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