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js中switch case循环实例代码

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复制代码 代码如下:

switch (objNameType) {

  case 'PD':

  valueUD = obj.id;

  id = objName;

  var loadVUD = UserData.load(exam, id);

  if (loadVUD == null || loadVUD == undefined || loadVUD == '') {

  var tmpTGId = obj.id.substr(0, obj.id.indexOf('_'));

  qNoTotalD[qIdNoStr[tmpTGId]]++;

  }

  break;

  case 'DANX':

  valueUD = obj.id;

  var objName = obj.name;

  var objNameTop = objName.substr(0,objName.indexOf('_'));

  id = objName;

  var loadVUD = UserData.load(exam, id);

  if (loadVUD == null || loadVUD == undefined || loadVUD == '') {

  var tmpTGId = obj.id.substr(0, obj.id.indexOf('_'));

  qNoTotalD[qIdNoStr[tmpTGId]]++;

  }

  break;

  case 'PP':

  valueUD = obj.id;

  var objName = obj.name;

  var objNameTop = objName.substr(0,objName.indexOf('_'));

  id = objName;

  var loadVUD = UserData.load(exam, id);

  if (loadVUD == null || loadVUD == undefined || loadVUD == '') {

  var tmpTGId = obj.id.substr(0, obj.id.indexOf('_'));

  qNoTotalD[qIdNoStr[tmpTGId]]++;

  }

  break;

  case 'text':

  valueUD = obj.value;

  id = "text_" + obj.id;

  var loadVUD = UserData.load(exam, id);

  if (loadVUD == null) {

  if (valueUD == null || valueUD == '') {

  return;

  }

  else {

  var tmpTGId = obj.id.substr(0, obj.id.indexOf('_'));

  qNoTotalD[qIdNoStr[tmpTGId]]++;

  }

  }

  else {

  if (valueUD == null || valueUD == '') {

  UserData.remove(exam, id);

  examAnswerKeyStr = removeStrWithcomma(examAnswerKeyStr, id);

  UserData.save(examinfo, "examAnswerKeyStr", examAnswerKeyStr, 1);

  var tmpTGId = obj.id.substr(0, obj.id.indexOf('_'));

  qNoTotalD[qIdNoStr[tmpTGId]]--;

  return;

  }

  }

  break;

  case 'checkbox':

  id = "checkbox_" + obj.id.substr(0, obj.id.lastIndexOf('_'));

  var key = obj.id.substr(0, obj.id.lastIndexOf('_'));

  key = "checkbox_" + key;

  valueUD = UserData.load(exam, key);

  var flag = obj.checked;

  if (valueUD == null) {

  if (flag) {

  id = key;

  valueUD = obj.id;

  var tmpTGId = obj.id.substr(0, obj.id.indexOf('_'));

  qNoTotalD[qIdNoStr[tmpTGId]]++;

  }

  }

  else {

  if (flag) {

  if (valueUD.indexOf(obj.id) == -1) {

  valueUD += "," + obj.id

  }

  }

  else {

  if (valueUD.indexOf(obj.id) != -1) {

  if (valueUD.indexOf(',' + obj.id) != -1) {

  valueUD = valueUD.replace(',' + obj.id, '');

  }

  else

  if (valueUD.indexOf(obj.id + ',') != -1) {

  valueUD = valueUD.replace(obj.id + ',', '');

  }

  else {

  UserData.remove(exam, key);

  examAnswerKeyStr = removeStrWithcomma(examAnswerKeyStr, key);

  UserData.save(examinfo, "examAnswerKeyStr", examAnswerKeyStr, 1);

  var tmpTGId = obj.id.substr(0, obj.id.indexOf('_'));

  qNoTotalD[qIdNoStr[tmpTGId]]--;

  return;

  }

  }

  }

  }

  break;

  case 'textarea':

  valueUD = obj.value;

  id = "textarea_" + obj.id;

  var loadVUD = UserData.load(exam, id);

  if (loadVUD == null) {

  if (valueUD == null || valueUD == '') {

  return;

  }

  else {

  var tmpTGId = obj.id.substr(0, obj.id.indexOf('_'));

  qNoTotalD[qIdNoStr[tmpTGId]]++;

  }

  }

  else {

  if (valueUD == null || valueUD == '') {

  UserData.remove(exam, id);

  examAnswerKeyStr = removeStrWithcomma(examAnswerKeyStr, id);

  UserData.save(examinfo, "examAnswerKeyStr", examAnswerKeyStr, 1);

  var tmpTGId = obj.id.substr(0, obj.id.indexOf('_'));

  qNoTotalD[qIdNoStr[tmpTGId]]--;

  return;

  }

  }

  break;

  default:

  return; }

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