js代码 [removed] //显示限制输入字符method function textAreaChange(obj){ var $this = $(obj); var count_total = $this.next().children(span).text(); var count_input = $this.next().children(em); var area_val = $this.val(); if(area_val.len()>count_total){ a
Android的EditText字数检测和限制解决办法
控件EditText在Android布局中经常用到,对EditText中输入的内容也经常需要进行限制,我们可以通过TextWatcher去观察输入框中输入的内容。
public class TextWatcherDemo extends Activity {
private TextView mTextView;
private EditText mEditText;
/** Called when the activity