将span后面的“字”去掉，放在span中显示，countChar函数改为：function countChar(textareaNm, spanName) {var len = document.getElementsByName(textareaNm)[0].value.length;var text = len + "字";len = Math.ceil(len / 70);if (len > 1)
text = text + "，将分成" + len + "条短信";document.getElementById(spanName).innerHTML = text;}...
