java.lang.StringIndexOutOfBoundsException: String index out of range: -1
阿新 • • 發佈:2018-11-05
字串擷取下標越界
出錯程式碼
@GetMapping("/edit") //@RequiresPermissions("erp:enquirySheet:edit") public String edit( String enquiryNo,Model model){ EnquirySheetDO enquirySheet = enquirySheetService.selectByEnquiryNo(enquiryNo); model.addAttribute("enquirySheet",enquirySheet); //儲存sku編號集合 List<EnquiryDetailDO> enquiryDetailList = enquiryDetailService.selectByEntityNo(enquiryNo); StringBuilder sbu = new StringBuilder(); for(EnquiryDetailDO enquiryDetail : enquiryDetailList){ sbu.append(enquiryDetail.getSkuNo()).append(","); } String skuList = sbu.toString().substring(0,(sbu.toString()).length()-1); model.addAttribute("skuList",skuList); model.addAttribute("enquiryNo",enquiryNo); return "erp/enquiry/enquirySheet/edit"; }
修改後程式碼
@GetMapping("/edit") //@RequiresPermissions("erp:enquirySheet:edit") public String edit( String enquiryNo,Model model){ EnquirySheetDO enquirySheet = enquirySheetService.selectByEnquiryNo(enquiryNo); model.addAttribute("enquirySheet",enquirySheet); //儲存sku編號集合 List<EnquiryDetailDO> enquiryDetailList = enquiryDetailService.selectByEntityNo(enquiryNo); StringBuilder sbu = new StringBuilder(); if(enquiryDetailList!=null&&enquiryDetailList.size()>0){ for(EnquiryDetailDO enquiryDetail : enquiryDetailList){ sbu.append(enquiryDetail.getSkuNo()).append(","); } } if(sbu!=null&&sbu.length()>0){ String skuList = sbu.toString().substring(0,(sbu.toString()).length()-1); model.addAttribute("skuList",skuList); }else{ model.addAttribute("skuList","擷取錯誤"); } model.addAttribute("enquiryNo",enquiryNo); return "erp/enquiry/enquirySheet/edit"; }