public static void main(String[] args) {
String str = "<p style='text-align: center;'><span class='marker'><strong>1104测试2</strong></span></p>" +"<h2 style='font-style:italic;'>这是测是使用</h2>" +"<p><img alt='' src='http://10.10.10.242:82/xxx/contracts/1478225023392_9c363621-5c13-4308-a77e-3206cb929153.jpg' style='height:220px; width:391px' /></p>" +"<p> </p>" +"<p>测试图片截取的</p>" +"<p><img alt='' src='http://10.10.10.242:82/xxx/contracts/1478225059568_a73665bc-0909-4045-9c6d-4e8b8b0190c8.jpg' style='height:220px; width:293px' /></p>" +"<p> </p>" +"<p>图片3</p>" +"<p><img alt='' src='http://10.10.10.242:82/xxx/contracts/1478225079772_c668f171-d5e5-4e98-aac2-98477a11d972.jpg' style='height:200px; width:200px' /></p>" +"<p> </p>"; String regStr = "<img ([\\s\\S]*?) />"; //获取图片的 <img alt='' src='http://10.10.10.242:82/xxx/contracts/1478225079772_c668f171-d5e5-4e98-aac2-98477a11d972.jpg' style='height:200px; width:200px' /> String regUrl = "src='([\\s\\S]*?)'"; //style='height:200px; width:200px' //String height = "style='height:([\\s\\S]*?)px;"; String height = "height:([\\s\\S]*?)px;"; String width = " width:([\\s\\S]*?)px'"; Pattern r = Pattern.compile(regStr); Pattern u = Pattern.compile(regUrl); Pattern h = Pattern.compile(height); Pattern w = Pattern.compile(width); Matcher m = r.matcher(str); List<String> imgList = new ArrayList<String>(); while(m.find()){ String url = m.group(0) ; Matcher mUrl = u.matcher(url); Matcher hi = h.matcher(url); Matcher wi = w.matcher(url); String imgUrl = ""; while(mUrl.find()){ // System.out.println("Found value: " + mUrl.group(0) ); imgUrl = mUrl.group(0); imgUrl = imgUrl.substring(5, imgUrl.length()-1); } String c = "0"; String k="0"; while(hi.find()){ // System.out.println("Found hi: " + hi.group(0) ); c= hi.group(0); } while(wi.find()){ //System.out.println("Found wi: " + wi.group(0) ); k=wi.group(0); } String cStr = "0"; String kStr = "0"; if(!"0".equals(c)){ cStr = c.substring(7, 10); } if(!"0".equals(k)){ kStr = k.substring(7, 10); } System.out.println("图片的长: "+cStr +" 宽:"+kStr+" 图片地址为："+imgUrl); } /*if(m.find()){ for (int i = 0; i< m.groupCount();i++) { System.out.println("Found value: " + m.group(i) ); } while(m.find()){ System.out.println("Found value: " + m.group(0) ); } }*/ }效果：
