在系统的整个研发中，从需求分析到系统实现，严格按照工程化的方法，仔

细分析，认真实施，并对在8／S／S三层结构下的权限控制和新老系统中涉及到的

数据转化的闯提进行了分析研究，提出了解决方案，最终实现了系统中的权限控

制和文件上传的问题。-R &　D in the entire system, from requirements analysis to system implementation, in strict accordance with the method engineering, careful analysis, careful implementation, and three-tier structure in 8/S/S access control, and new and old systems involved put data into the break were analyzed, and proposed solutions, and ultimately the system access control and file upload issues.