Enterprise level SaaS CRM implementation

SaaS（Software-as-a-Service）, Software as a service . Provide consumers with complete software solutions , You can obtain software applications by renting or purchasing from software service providers , Organize users through Internet Connect to this app （ Usually use Web browser ）. All infrastructure 、 middleware 、 Both application software and application data are located in the data center of the service provider . The service provider is responsible for managing hardware and software , And ensure the availability and security of applications and data according to appropriate service agreements .SaaS Enable the organization to quickly build and put into operation through the application of the lowest initial cost .
 

SaaS Basic elements of the platform

RBAC Model extension , Role based access control  

 

 SaaS Multi tenant database design

  Microservice architecture id- Snowflake algorithm

  be based on Token Auth authentication

Technology stack  

front end
Technology stack ：vue2.5,elementUI2.2.2,vuex,axios,vue-router,vue-i18n
Front end environment node8 , npm5

Back end
Technology stack ：SpringBoot+SpringCloud+SpringMVC+SpringData+Shiro+AI（ Face recognition ）
Back end environment java8 idea

VUE Access control

Realization effect ：

 

JDK Performance monitoring tools  Jvisualvm

Without performance monitoring tools, all inference can only stay at the theoretical stage , We can use Java Performance monitoring tools to monitor the operation of the program , Include CUP, Garbage collection , Memory allocation and usage , This makes the running phase of the program more controllable , It can also be used to prove our conjecture .
Jvisualvm summary ：VisualVM yes Netbeans Of profile subprojects , Already in JDK6.0 update 7 Bring it with you , Ability to monitor threads , The memory of , Check the method CPU Time and memory like , Has been GC The object of , Reverse the stack of assignments .
Jvisualvm The location of ：Jvisualvm be located JAVA_HOME/bin Under the table of contents , Double click directly to open the program .
If it's just monitoring the local java process , Configuration parameters are not required , Open it directly to monitor .
First we need to open a local Java Program , For example, I open the employee microservice process , At this moment in jvisualvm The interface can be seen with IDEA dependent Java Process ：
On the left ： All currently running java Program , View employee microservices , Double click to enter the monitoring page