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update 分页合理化

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疯狂的狮子li 2021-09-02 11:29:50 +08:00
parent 1a695159e3
commit 6801490e3b
2 changed files with 23 additions and 1 deletions
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20
ruoyi-common/src/main/java/com/ruoyi/common/utils/PageUtils.java
View File

@ -36,6 +36,11 @@ public class PageUtils {
*/ */
public static final String IS_ASC = "isAsc"; public static final String IS_ASC = "isAsc";
/**
* 分页参数合理化
*/
private static final String REASONABLE = "reasonable";
/** /**
* 当前记录起始索引 默认值 * 当前记录起始索引 默认值
*/ */
@ -46,6 +51,11 @@ public class PageUtils {
*/ */
public static final int DEFAULT_PAGE_SIZE = Integer.MAX_VALUE; public static final int DEFAULT_PAGE_SIZE = Integer.MAX_VALUE;
/**
* 分页参数合理化 默认值
*/
private static final Boolean DEFAULT_REASONABLE = Boolean.TRUE;
/** /**
* 构建 plus 分页对象 * 构建 plus 分页对象
* @param <T> domain 实体 * @param <T> domain 实体
@ -57,6 +67,11 @@ public class PageUtils {
Integer pageSize = ServletUtils.getParameterToInt(PAGE_SIZE, DEFAULT_PAGE_SIZE); Integer pageSize = ServletUtils.getParameterToInt(PAGE_SIZE, DEFAULT_PAGE_SIZE);
String orderByColumn = ServletUtils.getParameter(ORDER_BY_COLUMN); String orderByColumn = ServletUtils.getParameter(ORDER_BY_COLUMN);
String isAsc = ServletUtils.getParameter(IS_ASC); String isAsc = ServletUtils.getParameter(IS_ASC);
Boolean reasonable = ServletUtils.getParameterToBool(REASONABLE, DEFAULT_REASONABLE);
//分页合理化，针对不合理的页码自动处理
if (reasonable && pageNum <= 0) {
pageNum = 1;
}
PagePlus<T, K> page = new PagePlus<>(pageNum, pageSize); PagePlus<T, K> page = new PagePlus<>(pageNum, pageSize);
if (StringUtils.isNotBlank(orderByColumn)) { if (StringUtils.isNotBlank(orderByColumn)) {
String orderBy = SqlUtil.escapeOrderBySql(orderByColumn); String orderBy = SqlUtil.escapeOrderBySql(orderByColumn);
@ -83,6 +98,11 @@ public class PageUtils {
Integer pageSize = ServletUtils.getParameterToInt(PAGE_SIZE, DEFAULT_PAGE_SIZE); Integer pageSize = ServletUtils.getParameterToInt(PAGE_SIZE, DEFAULT_PAGE_SIZE);
String orderByColumn = ServletUtils.getParameter(ORDER_BY_COLUMN, defaultOrderByColumn); String orderByColumn = ServletUtils.getParameter(ORDER_BY_COLUMN, defaultOrderByColumn);
String isAsc = ServletUtils.getParameter(IS_ASC, defaultIsAsc); String isAsc = ServletUtils.getParameter(IS_ASC, defaultIsAsc);
Boolean reasonable = ServletUtils.getParameterToBool(REASONABLE, DEFAULT_REASONABLE);
//分页合理化，针对不合理的页码自动处理
if (reasonable && pageNum <= 0) {
pageNum = 1;
}
// 兼容前端排序类型 // 兼容前端排序类型
if ("ascending".equals(isAsc)) { if ("ascending".equals(isAsc)) {
isAsc = "asc"; isAsc = "asc";

2
ruoyi-framework/src/main/java/com/ruoyi/framework/config/MybatisPlusConfig.java
View File

@ -50,6 +50,8 @@ public class MybatisPlusConfig {
paginationInnerInterceptor.setDbType(DbType.MYSQL); paginationInnerInterceptor.setDbType(DbType.MYSQL);
// 设置最大单页限制数量，默认 500 条，-1 不受限制 // 设置最大单页限制数量，默认 500 条，-1 不受限制
paginationInnerInterceptor.setMaxLimit(-1L); paginationInnerInterceptor.setMaxLimit(-1L);
// 分页合理化
paginationInnerInterceptor.setOverflow(true);
return paginationInnerInterceptor; return paginationInnerInterceptor;
} }