MYSQL不能显示中文字，显示错误“ERROR 1366 (HY000): Incorrect string value: '\xE5\xBC\xA0\xE4\xB8\x89'”

或者建表时带上编码utf8

CREATE TABLE `students`(
    `id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
    `name` VARCHAR(20) NOT NULL,
    `nickname` VARCHAR(20) NULL,
    `sex` CHAR(1) NULL,
    `in_time` DATETIME NULL
   ) DEFAULT CHARSET 'utf8';CREATE TABLE `students`(
    `i