题目

先把题目放上：

链接：https://leetcode.com/problems/sort-colors

Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue.

Here, we will use the integers 0, 1, and 2 to represent the color red, white, and blue respectively.

Note: You are not suppose to use the library’s sort function for this problem.

在慕课网上看了高并发的课程，准备用spring+Mybaits来开发新的项目。遇到了前端跨域请求的问题。

服务器上nginx+tomcat，其中nginx监听80端口，tomcat监听8080端口。

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