package com.whyc.controller;
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import com.whyc.dto.Response;
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import com.whyc.util.ActionUtil;
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import io.swagger.annotations.Api;
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import io.swagger.annotations.ApiOperation;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import java.security.NoSuchAlgorithmException;
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import java.security.SecureRandom;
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@RequestMapping("message")
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@RestController
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@Api(tags = "验证码")
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public class MessageController {
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@ApiOperation("获取验证码")
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@GetMapping("/getFontDynamicCode")
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public Response getFontDynamicCode() throws NoSuchAlgorithmException {
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StringBuilder sb = new StringBuilder();
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String originStr = "0123456789abcdefghjkmnpqrstuvwxyzABCDEFGHJKMNPQRSTUVWXYZ0123456789";
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SecureRandom random;
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random = SecureRandom.getInstance("SHA1PRNG");
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for (int i = 0; i < 4; i++) {
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sb.append(originStr.charAt(random.nextInt(originStr.length())));
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}
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//内存Session中存储动态口令
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ActionUtil.getSession().setAttribute("fontDynamicCode", sb.toString());
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return new Response().set(1,sb.toString());
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}
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}
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