mysql错误:Column count doesn't match value count at row 1

意思是存储的数据与数据库表的字段类型定义不相匹配.

解决办法:检查段类型是否正确, 是否越界, 有无把一种类型的数据存储到另一种数据类型中.

看看dao层访问数据库的sql语句是否书写错误,赋值的参数是否与字段类型一致

由于类似 insert 语句中,前后列数不等造成的

如1:省略数据库表的列名

INSERT INTO table_name
VALUES (value1, value2, value3,...)

改为:补全列名

INSERT INTO table_name (column1, column2, column3,...)
VALUES (value1, value2, value3,...)

如2:列数不相等,则检查相匹配的列数

INSERT INTO table_name(col_name1, col_name2, col_name3) VALUES('value1','value2');

如3:书写错误。

如标点符号,如多出空格等

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