package project.web.api.monitor;
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import java.util.HashMap;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import javax.servlet.http.HttpServletRequest;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.CrossOrigin;
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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 kernel.web.ApplicationUtil;
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import kernel.web.ResultObject;
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import project.monitor.loan.LoanService;
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import project.monitor.loan.SimpleLoanOrder;
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import project.user.token.TokenService;
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/**
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* 借贷API
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*/
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@CrossOrigin
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@RestController("/api/loan!")
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public class LoanController {
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/**
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* 借贷服务
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*/
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@Autowired
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private LoanService loanService;
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/**
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* Token服务
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*/
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@Autowired
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private TokenService tokenService;
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/**
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* SLF4J日志组件
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*/
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private static final Logger logger = LoggerFactory.getLogger(LoanController.class);
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/**
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* 借贷额度正则式
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*/
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private static final Pattern QUOTA_REGEX=Pattern.compile("([A-Z]{2,8}):([1-9]{1}[0-9]{0,7})");
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/**
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* 获取借贷参数
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* @param configId 配置ID
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* @return 配置结果
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*/
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@RequestMapping("get.action")
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public ResultObject getParams(String configId) {
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ResultObject resultObject = new ResultObject();
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try {
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HashMap<String,Object> paramMap=loanService.getLoanParams(configId);
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if(null==paramMap) {
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resultObject.setMsg("获取借贷参数失败!");
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resultObject.setCode("1");
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}else {
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ApplicationUtil.getHttpSession().setAttribute("paramMap", paramMap);
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resultObject.setMsg("获取借贷参数成功!");
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resultObject.setData(paramMap);
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}
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}catch(Throwable e) {
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resultObject.setCode("1");
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resultObject.setMsg("程序错误");
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logger.error("error:", e);
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}
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return resultObject;
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}
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/**
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* 提交借贷申请
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* @param request 请求对象
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* @return 申请结果
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*/
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@RequestMapping("apply.action")
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public ResultObject apply(HttpServletRequest request) {
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ResultObject resultObject = new ResultObject();
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String token=request.getParameter("token");
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if(null==token || (token=token.trim()).isEmpty()) {
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resultObject.setCode("1");
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resultObject.setMsg("从请求参数中获取Token为空!");
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return resultObject;
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}
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String partyId=tokenService.cacheGet(token);
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if(null==partyId) {
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resultObject.setCode("1");
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resultObject.setMsg("通过Token获取partyId为空!");
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return resultObject;
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}
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String term=getParamValue(request,resultObject,"term");
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if(null==term) return resultObject;
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String quota=getParamValue(request,resultObject,"quota");
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if(null==quota) return resultObject;
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String symbol=getParamValue(request,resultObject,"symbol");
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if(null==symbol) return resultObject;
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String dailyRate=getParamValue(request,resultObject,"dailyRate");
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if(null==dailyRate) return resultObject;
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String repayment=getParamValue(request,resultObject,"repayment");
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if(null==repayment) return resultObject;
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String repayCycle=getParamValue(request,resultObject,"repayCycle");
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if(null==repayCycle) return resultObject;
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String lendingInstitution=getParamValue(request,resultObject,"lendingInstitution");
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if(null==lendingInstitution) return resultObject;
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String houseImgs=request.getParameter("houseImgs");
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if(null==houseImgs || (houseImgs=houseImgs.trim()).isEmpty()) {
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houseImgs=null;
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}
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String incomeImg=request.getParameter("incomeImg");
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if(null==incomeImg || (incomeImg=incomeImg.trim()).isEmpty()) {
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incomeImg=null;
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}
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Integer quotaInt=new Integer(quota);
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if(checkInvalidQuota(resultObject,symbol,quotaInt)) return resultObject;
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SimpleLoanOrder simpleLoanOrder=new SimpleLoanOrder(partyId,quotaInt,symbol);
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simpleLoanOrder.setLendingInstitution(new Integer(lendingInstitution));
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simpleLoanOrder.setRepayCycle(new Integer(repayCycle));
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simpleLoanOrder.setRepayment(new Integer(repayment));
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simpleLoanOrder.setDailyRate(new Double(dailyRate));
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simpleLoanOrder.setTerm(new Integer(term));
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simpleLoanOrder.setHouseImgs(houseImgs);
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simpleLoanOrder.setIncomeImg(incomeImg);
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simpleLoanOrder.setState(1);
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try {
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boolean flag=loanService.addLoanOrder(simpleLoanOrder);
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if(flag) {
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resultObject.setMsg("借贷申请提交成功!");
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}else {
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resultObject.setCode("1");
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resultObject.setMsg("借贷申请提交失败!");
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}
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}catch(Throwable e) {
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resultObject.setCode("1");
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resultObject.setMsg("程序错误");
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logger.error("error:", e);
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}
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return resultObject;
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}
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/**
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* 获取参数值
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* @param request 请求对象
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* @param resultObject 结果对象
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* @param paramName 参数名
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* @return 参数值
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*/
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private static final String getParamValue(HttpServletRequest request,ResultObject resultObject,String paramName) {
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String paramValue=request.getParameter(paramName);
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if(null==paramValue || (paramValue=paramValue.trim()).isEmpty()) {
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resultObject.setCode("1");
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resultObject.setMsg(String.format("获取参数[%s]为空!",paramName));
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return null;
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}else {
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return paramValue;
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}
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}
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/**
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* 校验借贷额度是否有效
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* @param resultObject 结果对象
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* @param quota 借贷额度
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* @return 是否无效
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*/
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private static final boolean checkInvalidQuota(ResultObject resultObject,String symbol,Integer quota) {
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HashMap<String,Object> paramMap=(HashMap<String,Object>)ApplicationUtil.getHttpSession().getAttribute("paramMap");
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if(null==paramMap) {
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resultObject.setCode("1");
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resultObject.setMsg("从会话中获取借贷参数[paramMap]为空!");
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return true;
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}
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Matcher matcher=QUOTA_REGEX.matcher((String)paramMap.get("maxQuota"));
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Integer maxQuota=null;
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while(matcher.find()) {
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if(symbol.equalsIgnoreCase(matcher.group(1))) {
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maxQuota=new Integer(matcher.group(2));
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break;
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}
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}
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if(null==maxQuota) {
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resultObject.setCode("1");
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resultObject.setMsg("未找到额度最大值!");
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return true;
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}
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matcher=QUOTA_REGEX.matcher((String)paramMap.get("minQuota"));
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Integer minQuota=null;
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while(matcher.find()) {
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if(symbol.equalsIgnoreCase(matcher.group(1))) {
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minQuota=new Integer(matcher.group(2));
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break;
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}
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}
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if(null==minQuota) {
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resultObject.setCode("1");
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resultObject.setMsg("未找到额度最小值!");
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return true;
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}
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if(quota<minQuota || quota>maxQuota) {
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resultObject.setCode("1");
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resultObject.setMsg("借贷额度不在允许范围内!");
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return true;
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}
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return false;
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}
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}
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