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MySQL 8.0 C API 开发者指南  / 第 5 章 C API 基本接口  / 5.4 C API 基本功能说明  /  5.4.28 mysql_get_character_set_info() 函数

5.4.28 mysql_get_character_set_info() 函数

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void mysql_get_character_set_info(MYSQL *mysql, MY_CHARSET_INFO *cs)

描述

此函数提供有关默认客户端字符集的信息。默认字符集可以用mysql_set_character_set() 函数改变。

例子

此示例显示 MY_CHARSET_INFO结构中可用的字段:

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if (!mysql_set_character_set(&mysql, "utf8")) { MY_CHARSET_INFO cs; mysql_get_character_set_info(&mysql, &cs); printf("character set information:\n"); printf("character set+collation number: %d\n", cs.number); printf("collation name: %s\n", cs.name); printf("character set name: %s\n", cs.csname); printf("comment: %s\n", cs.comment); printf("directory: %s\n", cs.dir); printf("multi byte character min. length: %d\n", cs.mbminlen); printf("multi byte character max. length: %d\n", cs.mbmaxlen); }