assets/js/43.5ee83631.js

(window.webpackJsonp=window.webpackJsonp||[]).push([[43],{754:function(s,t,a){"use strict";a.r(t);var n=a(84),e=Object(n.a)({},(function(){var s=this,t=s._self._c;return t("ContentSlotsDistributor",{attrs:{"slot-key":s.$parent.slotKey}},[t("h1",{attrs:{id:"数据库"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#数据库"}},[s._v("#")]),s._v(" 数据库")]),s._v(" "),t("h2",{attrs:{id:"简介"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#简介"}},[s._v("#")]),s._v(" 简介")]),s._v(" "),t("p",[s._v("炸毛框架的数据库组件对接了 MySQL、SQLite、PostgreSQL 连接池，在使用过程中无需配置即可实现 SQL 查询，同时拥有高并发。")]),s._v(" "),t("p",[s._v("目前 2.5 版本后炸毛框架底层采用了 "),t("code",[s._v("doctrine/dbal")]),s._v(" 组件，可以方便地构建 SQL 语句。")]),s._v(" "),t("p",[s._v("本章大体查询内容均以下表 "),t("code",[s._v("users")]),s._v(" 为基础：")]),s._v(" "),t("table",[t("thead",[t("tr",[t("th",[s._v("id")]),s._v(" "),t("th",[s._v("username")]),s._v(" "),t("th",[s._v("gender")]),s._v(" "),t("th",[s._v("update_time")])])]),s._v(" "),t("tbody",[t("tr",[t("td",[s._v("1")]),s._v(" "),t("td",[s._v("jack")]),s._v(" "),t("td",[s._v("man")]),s._v(" "),t("td",[s._v("2021-10-12")])]),s._v(" "),t("tr",[t("td",[s._v("2")]),s._v(" "),t("td",[s._v("rose")]),s._v(" "),t("td",[s._v("woman")]),s._v(" "),t("td",[s._v("2021-10-11")])])])]),s._v(" "),t("h2",{attrs:{id:"连接池"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#连接池"}},[s._v("#")]),s._v(" 连接池")]),s._v(" "),t("p",[s._v("炸毛框架的数据库组件支持原生 SQL、查询构造器，去掉了复杂的对象模型关联，同时默认为数据库连接池，使开发变得简单。")]),s._v(" "),t("p",[s._v("数据库的配置位于  "),t("code",[s._v("config/global.php")]),s._v(" 文件的 "),t("code",[s._v("database")]),s._v(" 段，框架支持多个数据库的连接，其中字段示例如下，下面两段分别为使用 SQLite、MySQL 时的配置项：")]),s._v(" "),t("div",{staticClass:"language-php line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-php"}},[t("code",[t("span",{pre:!0,attrs:{class:"token comment"}},[s._v("/* MySQL 和 SQLite3 数据库连接配置，框架将自动生成连接池，支持多个连接池 */")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token variable"}},[s._v("$config")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("[")]),t("span",{pre:!0,attrs:{class:"token string single-quoted-string"}},[s._v("'database'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("]")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("[")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token string single-quoted-string"}},[s._v("'sqlite_db1'")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=>")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("[")]),s._v("       "),t("span",{pre:!0,attrs:{class:"token comment"}},[s._v("// 数据库连接池名称")]),s._v("\n        "),t("span",{pre:!0,attrs:{class:"token string single-quoted-string"}},[s._v("'enable'")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=>")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token constant boolean"}},[s._v("false")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v("  "),t("span",{pre:!0,attrs:{class:"token comment"}},[s._v("// 是否启用")]),s._v("\n        "),t("span",{pre:!0,attrs:{class:"token string single-quoted-string"}},[s._v("'type'")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=>")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string single-quoted-string"}},[s._v("'sqlite'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token comment"}},[s._v("// 类型，支持 sqlte、mysql、pgsql 三种")]),s._v("\n        "),t("span",{pre:!0,attrs:{class:"token string single-qu