java SQL注入-阿里云

如何防御Java中的SQL注入

SQL注入是应用程序遭受的最常见的攻击类型之一。鉴于其常见性及潜在的破坏性，需要在了解原理的基础上探讨如何保护应用程序免受其害。什么是SQL注入 SQL注入(也称为SQLi)是指攻击者成功篡改Web应用输入，并在该应用上执行任意SQL查询。此种攻击通常会利用编程语言用来括住字符串的转义字符。攻击者...

Java 最常见的面试题：如何避免 sql 注入？

PreparedStatement（简单又有效的方法）使用正则表达式过滤传入的参数字符串过滤JSP中调用该函数检查是否包函非法字符JSP页面判断代码

如何在 PolarDB-X 中优化慢 SQL

2 课时 |

113 人已学 |

加入学习

SQL完全自学手册

61 课时 |

3601 人已学 |

加入学习

SQL Server on Linux入门教程

14 课时 |

4329 人已学 |

加入学习

以Java的视角来聊聊SQL注入

什么是SQL注入SQL注入是影响企业运营最具有破坏性的漏洞之一。应用程序向后台数据库进行SQL查询时，如果为攻击者提供了影响该查询的能力，就会引起SQL注入。1靶场准备首先我们来准备一个web接口服务，该服务可以提供管理员的信息查询，这里我们采用springboot + jersey 来构建web服...

JAVA中jdbc连接数据库 sql注入与PrepareStatement预处理

连接数据的步骤如下：1.注册驱动2.获取连接3.创建执行sql语句的对象4.书写一个SQL语句5.执行SQL语句6.对结果集进行处理一下的这种情况，可能存在SQL注入的情况public void login(String username, String password) throws Class...

重新学习MySQL数据库11：以Java的视角来聊聊SQL注入

以Java的视角来聊聊SQL注入转自 javatiku Java面试那些事儿 2017-08-09 在大二就接触过sql注入，之前一直在学习windows逆向技术，认为web安全以后不是自己的从业方向，所以当时也就没有深入研究。工作多年来，本人也一直从事安全开发相关...

Java防止SQL注入的几个途径

Java防SQL注入，最简单的办法是杜绝SQL拼接，SQL注入攻击能得逞是因为在原有SQL语句中加入了新的逻辑，如果使用PreparedStatement来代替Statement来执行SQL语句，其后只是输入参数，SQL注入攻击手段将无效，这是因为PreparedStatement不允许在不同的插入...

共有6条

< 1 >

跳转至： GO

更新时间 2023-06-02 09:16:58

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

产品推荐

{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":4,"count":4}]},"card":[{"des":"云数据库SQL Server，具有企业许可授权，权限更为开放，引擎功能更为强大。能完美支持Windows平台的.NET架构，支持复杂SQL查询，性能优秀，并有强大的可视化管理工具，帮助您轻松管理数据。","link1":"https://rdsnew.console.aliyun.com/console/buy#/create/rds?initData=%7B%22data%22:%7B%22rds_region%22:%22cn-hangzhou%22,%22rds_dbtype%22:%22mssql%22,%22rds_dbversion%22:%222016_web%22,%22rds_web_type%22:%221%22,%22rds_class%22:%22mssql.x2.medium.w1%22,%22rds_storage%22:%2220%22,%22duration%22:12%7D%7D","link":"https://www.aliyun.com/product/rds/sqlserver","icon":"https://img.alicdn.com/tfs/TB1kuYmv3mTBuNjy1XbXXaMrVXa-200-200.png","btn2":"2016 标准版","tip":"完美兼容windows操作系统，已通过ISO 20000、SOC、PCI-DSS、等保三级等十项安全合规认证。         最新产品和实时动态重磅发布<a href=\"https://www.aliyun.com/product/new?source_type=out_sousuo_feature_0716\" target=\"_blank\">立即查看</a>","btn1":"2016 Web版","link2":"https://rdsnew.console.aliyun.com/console/buy#/create/rds?initData=%7B%22data%22:%7B%22rds_region%22:%22cn-shanghai%22,%22rds_dbtype%22:%22mssql%22,%22rds_dbversion%22:%222016_std_ha%22,%22rds_web_type%22:%221%22,%22rds_class%22:%22mssql.x4.medium.s2%22,%22rds_storage%22:%2220%22,%22duration%22:12%7D%7D","title":"云数据库RDS SQL Server版"}],"search":[{"txt":"SQL Server Web版","link":"https://promotion.aliyun.com/ntms/act/sqlserverweb.html"},{"txt":"SQL Server 标准版/企业版","link":"https://promotion.aliyun.com/ntms/act/sqlservergaokeyong.html"},{"txt":"快速入门SQL Server","link":"https://help.aliyun.com/document_detail/26141.html"},{"txt":"产品动态","link":"https://www.aliyun.com/product/new?source_type=out_sousuo_feature_0716"}],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"link":"https://www.aliyun.com/product/rds/sqlserver","title":"云数据库RDS SQL Server版","des":"云数据库SQL Server，具有企业许可授权，权限更为开放，引擎功能更为强大。能完美支持Windows平台的.NET架构，支持复杂SQL查询，性能优秀，并有强大的可视化管理工具，帮助您轻松管理数据。","btn1":"产品详情","link1":"https://www.aliyun.com/product/rds/sqlserver","btn2":"管理控制台","link2":"https://rdsnext.console.aliyun.com/#/rdsList/cn-hangzhou/basic/","link3":"https://www.aliyun.com/core/online-consult?spm=5176.8789780.7y9jhqsfz.115.47ea55caeL2Mfu&from=OVtXEBmlH8","btn3":"在线咨询","infoGroup":[{"infoName":"最新活动","infoContent":{"firstContentName":"SQL Server 免费试用","firstContentLink":"https://free.aliyun.com/?searchKey=RDS%20SQL%20Server","lastContentName":"","lastContentLink":""}},{"infoName":"快速入门","infoContent":{"firstContentName":"帮助文档","firstContentLink":"https://help.aliyun.com/product/26090.html","lastContentName":"入门指南","lastContentLink":"https://help.aliyun.com/document_detail/53729.htm"}},{"infoName":"最佳实践","infoContent":{"firstContentName":" 基于HBR云上统一备份","firstContentLink":"https://bp.aliyun.com/detail/125","lastContentLink":"https://www.aliyun.com/database/case","lastContentName":"数据库客户案例合集"}},{"infoName":"产品推荐","infoContent":{"firstContentName":"数据管理DMS","firstContentLink":"https://www.aliyun.com/product/dms","lastContentName":"数据库备份DBS","lastContentLink":"https://www.aliyun.com/product/dbs"}}],"icon":"","ifIcon":"img","iconImg":"https://img.alicdn.com/tfs/TB1FIpvn3gP7K4jSZFqXXamhVXa-200-200.png","contentLink":"https://www.aliyun.com/product/rds/sqlserver"}]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":4,"count":4}]},"card":[{"des":"云数据库SQL Server，具有企业许可授权，权限更为开放，引擎功能更为强大。能完美支持Windows平台的.NET架构，支持复杂SQL查询，性能优秀，并有强大的可视化管理工具，帮助您轻松管理数据。","link1":"https://rdsnew.console.aliyun.com/console/buy#/create/rds?initData=%7B%22data%22:%7B%22rds_region%22:%22cn-hangzhou%22,%22rds_dbtype%22:%22mssql%22,%22rds_dbversion%22:%222016_web%22,%22rds_web_type%22:%221%22,%22rds_class%22:%22mssql.x2.medium.w1%22,%22rds_storage%22:%2220%22,%22duration%22:12%7D%7D","link":"https://www.aliyun.com/product/rds/sqlserver","icon":"https://img.alicdn.com/tfs/TB1kuYmv3mTBuNjy1XbXXaMrVXa-200-200.png","btn2":"2016 标准版","tip":"完美兼容windows操作系统，已通过ISO 20000、SOC、PCI-DSS、等保三级等十项安全合规认证。         最新产品和实时动态重磅发布<a href=\"https://www.aliyun.com/product/new?source_type=out_sousuo_feature_0716\" target=\"_blank\">立即查看</a>","btn1":"2016 Web版","link2":"https://rdsnew.console.aliyun.com/console/buy#/create/rds?initData=%7B%22data%22:%7B%22rds_region%22:%22cn-shanghai%22,%22rds_dbtype%22:%22mssql%22,%22rds_dbversion%22:%222016_std_ha%22,%22rds_web_type%22:%221%22,%22rds_class%22:%22mssql.x4.medium.s2%22,%22rds_storage%22:%2220%22,%22duration%22:12%7D%7D","title":"云数据库RDS SQL Server版"}],"search":[{"txt":"SQL Server Web版","link":"https://promotion.aliyun.com/ntms/act/sqlserverweb.html"},{"txt":"SQL Server 标准版/企业版","link":"https://promotion.aliyun.com/ntms/act/sqlservergaokeyong.html"},{"txt":"快速入门SQL Server","link":"https://help.aliyun.com/document_detail/26141.html"},{"txt":"产品动态","link":"https://www.aliyun.com/product/new?source_type=out_sousuo_feature_0716"}],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"link":"https://www.aliyun.com/product/rds/sqlserver","title":"云数据库RDS SQL Server版","des":"云数据库SQL Server，具有企业许可授权，权限更为开放，引擎功能更为强大。能完美支持Windows平台的.NET架构，支持复杂SQL查询，性能优秀，并有强大的可视化管理工具，帮助您轻松管理数据。","btn1":"产品详情","link1":"https://www.aliyun.com/product/rds/sqlserver","btn2":"管理控制台","link2":"https://rdsnext.console.aliyun.com/#/rdsList/cn-hangzhou/basic/","link3":"https://www.aliyun.com/core/online-consult?spm=5176.8789780.7y9jhqsfz.115.47ea55caeL2Mfu&from=OVtXEBmlH8","btn3":"在线咨询","infoGroup":[{"infoName":"最新活动","infoContent":{"firstContentName":"SQL Server 免费试用","firstContentLink":"https://free.aliyun.com/?searchKey=RDS%20SQL%20Server","lastContentName":"","lastContentLink":""}},{"infoName":"快速入门","infoContent":{"firstContentName":"帮助文档","firstContentLink":"https://help.aliyun.com/product/26090.html","lastContentName":"入门指南","lastContentLink":"https://help.aliyun.com/document_detail/53729.htm"}},{"infoName":"最佳实践","infoContent":{"firstContentName":" 基于HBR云上统一备份","firstContentLink":"https://bp.aliyun.com/detail/125","lastContentLink":"https://www.aliyun.com/database/case","lastContentName":"数据库客户案例合集"}},{"infoName":"产品推荐","infoContent":{"firstContentName":"数据管理DMS","firstContentLink":"https://www.aliyun.com/product/dms","lastContentName":"数据库备份DBS","lastContentLink":"https://www.aliyun.com/product/dbs"}}],"icon":"","ifIcon":"img","iconImg":"https://img.alicdn.com/tfs/TB1FIpvn3gP7K4jSZFqXXamhVXa-200-200.png","contentLink":"https://www.aliyun.com/product/rds/sqlserver"}]}}