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add 增加 DataPermissionHelper 类 便于操作数据权限变量

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疯狂的狮子Li
2021-12-17 21:52:11 +08:00
parent 3fce90dbb9
commit 5d2b162bea
3 changed files with 57 additions and 6 deletions
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2
ruoyi-common/src/main/java/com/ruoyi/common/enums/DataScopeType.java
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@ -10,7 +10,7 @@ import lombok.Getter;
* 语法支持 spel 模板表达式
*
* 内置数据 user 当前用户 内容参考 SysUser
* 如需扩展数据 需往 SysUser 内注入
* 如需扩展数据 可使用 {@link com.ruoyi.common.helper.DataPermissionHelper} 操作
* 内置服务 sdss 系统数据权限服务 内容参考 SysDataScopeService
* 如需扩展更多自定义服务 可以参考 sdss 自行编写
*

45
ruoyi-common/src/main/java/com/ruoyi/common/helper/DataPermissionHelper.java Normal file
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@ -0,0 +1,45 @@
package com.ruoyi.common.helper;
import cn.hutool.core.util.ObjectUtil;
import com.ruoyi.common.utils.ServletUtils;
import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
import java.util.Map;
/**
* 数据权限助手
*
* @author Lion Li
* @version 3.5.0
*/
@SuppressWarnings("unchecked cast")
public class DataPermissionHelper {
private static final String DATA_PERMISSION_KEY = "data:permission";
public static <T> T getVariable(String key) {
Map<String, Object> context = getContext();
return (T) context.get(key);
}
public static void setVariable(String key, Object value) {
Map<String, Object> context = getContext();
context.put(key, value);
}
public static Map<String, Object> getContext() {
HttpServletRequest request = ServletUtils.getRequest();
Object attribute = request.getAttribute(DATA_PERMISSION_KEY);
if (ObjectUtil.isNull(attribute)) {
request.setAttribute(DATA_PERMISSION_KEY, new HashMap<>());
attribute = request.getAttribute(DATA_PERMISSION_KEY);
}
if (attribute instanceof Map) {
return (Map<String, Object>) attribute;
}
throw new NullPointerException("data permission context type exception");
}
}