首页 > 解决方案 > android如何检测Edittext中的多个字符串值

问题描述

如上所述。我想检测我的MultiAutoCompleteTextView. 它只检测在 EditText 中检测到的第一个字符串。我想要的是如果我有 5 对它会检测到所有这些。我想用它来创建一个文本验证器例如:

<script> </script>
<script> </script>
<script> </script>
<script> </script>
<script> </script>

如果至少有一个字符串不相似.. 它将显示一条 toast 消息以及许多检测到的相似文本

Toast.makeText(this, "Script Tag is Correct" + i, Toast.LENGTH_SHORT).show();

这是我尝试过的:

for (int i = 0 ; i <= 0; i ++ ) {

  String text = txtEditor.getText().toString();
  if (text.contains("<script>") && text.contains("</script>"))
  {
     // If Editor contains the specified String
      Toast.makeText(this, "Script Tag is Correct" + i, Toast.LENGTH_SHORT).show();
      if (text.contains("var") && text.contains("{") && text.contains("}") && text.contains(";")){
          Toast.makeText(this, "Var Tag is Correct", Toast.LENGTH_SHORT).show();
      }else{
          Toast.makeText(this, "Var Tag is inCorrect", Toast.LENGTH_SHORT).show();
      }
 }
 break;

已编辑:我想要的是如果我的 EditText 包含多个类似的字符串,例如下面。它将检测所有脚本标签,如果脚本标签拼写错误或缺少字符串,它将显示一个 Toast 消息。

 <script>
    var myObj = { name: "John", age: 31, city: "New York" };
    var myJSON = JSON.stringify(myObj);
    window.location = "demo_json.php?x=" + myJSON;
    </script>
    <script> var myObj = { name: "John", age: 31, city: "New York" }; 
     var myJSON = JSON.stringify(myObj); window.location = "demo_json.php?x=" + myJSON; </script>

标签: android

解决方案


//声明数组列表

ArrayList scriptStartTag = new ArrayList();

ArrayList scriptEndTag = new ArrayList();

for (int i = 0 ; i <= 0; i ++ ) {

              String text = txtEditor.getText().toString();
              if (text.contains("<script>"))
              {

                  // If Editor contains the specified String
                  Toast.makeText(this, "Script Tag is Correct" + i, Toast.LENGTH_SHORT).show();

                  //add in to start arrayList
                  scriptCount.add("startTagFound");
                  if (text.contains("<script>")){
                  //add in to end arrayList
                  scriptEndTag.add("endTagFound")
                  }



                  if (text.contains("var") && text.contains("{") && text.contains("}") && text.contains(";"))

                  {

                      Toast.makeText(this, "Var Tag is Correct", Toast.LENGTH_SHORT).show();
                  }
                  else

                  {

                      Toast.makeText(this, "Var Tag is inCorrect", Toast.LENGTH_SHORT).show();
                  }
             }
             }

//如果计数为5则检查对然后做你想做的事

 if (scriptStartTag.size() == 5 && scriptEndTag.size() == 5) {
            if (scriptStartTag.size() == scriptEndTag.size()) {
                //do what you want 
            } else {
                //your error msg 
            }
        } else {
            //your error msg 
        }

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