我从某处复制了一个使用sqlite的例子。他们定义了5列,我将其更改为4列。相关部分在这里:privatefinalStringDB_NAME="mcustomerDbName";privatefinalStringTABLE_NAME="mcustomeTableName";SQLiteDatabasecustomersDB=null;/**Calledwhentheactivityisfirstcreated.*/..........................................这是表4列的上下文privatevoidmFillDbsTable(){try{cus