{"id":29402,"date":"2024-11-25T14:36:19","date_gmt":"2024-11-25T06:36:19","guid":{"rendered":"https:\/\/fwq.ai\/blog\/29402\/"},"modified":"2024-11-25T14:36:19","modified_gmt":"2024-11-25T06:36:19","slug":"%e5%be%ae%e4%bf%a1%e5%bc%80%e5%8f%91%e4%b9%8b%e5%be%ae%e4%bf%a1jsapi%e9%80%89%e6%8b%a9%e5%9b%be%e7%89%87%e4%b8%8a%e4%bc%a0%e5%9b%be%e7%89%87%e9%a2%84%e8%a7%88%e5%92%8c%e4%b8%8b%e8%bd%bd%e5%9b%be","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/29402\/","title":{"rendered":"\u5fae\u4fe1\u5f00\u53d1\u4e4b\u5fae\u4fe1jsapi\u9009\u62e9\u56fe\u7247,\u4e0a\u4f20\u56fe\u7247,\u9884\u89c8\u548c\u4e0b\u8f7d\u56fe\u7247\u65b9\u6cd5"},"content":{"rendered":"

\u53c2\u6570<\/p>\n\n\n\n\n\n\n\n
 <\/td>\n\u63cf\u8ff0<\/td>\n<\/tr>\n
appId<\/td>\n\u516c\u4f17\u53f7\u7684\u552f\u4e00\u6807\u8bc6  \u5e94\u7528id<\/td>\n<\/tr>\n
timestamp<\/td>\n\u751f\u6210\u7b7e\u540d\u7684\u65f6\u95f4\u6233<\/td>\n<\/tr>\n
nonceStr<\/td>\n\u751f\u6210\u7b7e\u540d\u7684\u968f\u673a\u4e32<\/td>\n<\/tr>\n
signature<\/td>\n\u7b7e\u540d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u4e0a\u8ff0\u8868\u683c\u4e2d\u7684\u56db\u4e2a\u53c2\u6570\u662f\u521d\u59cb\u5316\u8c03\u7528\u5fae\u4fe1jsapi\u7684\u51ed\u8bc1\uff0c\u54b1\u4eec\u5728\u524d\u51e0\u8282\u5df2\u7ecf\u53cd\u590d\u8bf4\u660e\u5982\u4f55\u4f7f\u7528\u4e86\uff0c\u5728\u8fd9\u91cc\u5c31\u4e0d\u5728\u8d34\u51fa\u5982\u4f55\u751f\u6210\u4e0a\u8ff0\u56db\u4e2a\u53c2\u6570\u4e86<\/p>\n

\u5b8c\u6574\u7684jsp\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n<\/tr>\n<\/tbody>\n<\/table>\n
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\r\n\r\nnbsp;HTML PUBLIC \"-\/\/W3C\/\/DTD HTML 4.01 Transitional\/\/EN\"&gt;\r\n\r\n  \r\n    <base>\"&gt;\r\n    <title>\u5fae\u4fe1jsapi\u6d4b\u8bd5-V\u578b\u77e5\u8bc6\u5e93<\/title>\r\n    <meta>\r\n   <script> <\/script> \r\n<scriptsrc>\r\n  \r\n  \r\n  <center><h3>\u6b22\u8fce\u6765\u5230\u5fae\u4fe1jsapi\u6d4b\u8bd5\u754c\u9762-V\u578b\u77e5\u8bc6\u5e93<\/h3><\/center>\r\n     <p>\u57fa\u7840\u63a5\u53e3\u4e4b\u5224\u65ad\u5f53\u524d\u5ba2\u6237\u7aef\u662f\u5426\u652f\u6301\u6307\u5b9a\u7684js\u63a5\u53e3<\/p>   \r\n     <input><br>\r\n      <h3>\u56fe\u50cf\u63a5\u53e3<\/h3>\r\n      <span>\u62cd\u7167\u6216\u4ece\u624b\u673a\u76f8\u518c\u4e2d\u9009\u56fe\u63a5\u53e3<\/span><br>\r\n      <button>chooseImage<\/button><br>\r\n      <span>\u9884\u89c8\u56fe\u7247\u63a5\u53e3<\/span><br>\r\n      <button>previewImage<\/button><br>\r\n      <span>\u4e0a\u4f20\u56fe\u7247\u63a5\u53e3<\/span><br>\r\n      <button>uploadImage<\/button><br>\r\n      <span>\u4e0b\u8f7d\u56fe\u7247\u63a5\u53e3<\/span><br>\r\n      <button>downloadImage<\/button><br>\r\n  \u663e\u793a\u56fe\u7247<imgalt>\r\n  <br>\r\n  <script>\r\n  wx.config({  \r\n    debug: true, \/\/ \u5f00\u542f\u8c03\u8bd5\u6a21\u5f0f,\u8c03\u7528\u7684\u6240\u6709api\u7684\u8fd4\u56de\u503c\u4f1a\u5728\u5ba2\u6237\u7aefalert\u51fa\u6765\uff0c\u82e5\u8981\u67e5\u770b\u4f20\u5165\u7684\u53c2\u6570\uff0c\u53ef\u4ee5\u5728pc\u7aef\u6253\u5f00\uff0c\u53c2\u6570\u4fe1\u606f\u4f1a\u901a\u8fc7log\u6253\u51fa\uff0c\u4ec5\u5728pc\u7aef\u65f6\u624d\u4f1a\u6253\u5370\u3002  \r\n    appId: '${appId}', \/\/ \u5fc5\u586b\uff0c\u516c\u4f17\u53f7\u7684\u552f\u4e00\u6807\u8bc6  \r\n    timestamp: '${ timestamp}' , \/\/ \u5fc5\u586b\uff0c\u751f\u6210\u7b7e\u540d\u7684\u65f6\u95f4\u6233  \r\n    nonceStr: '${ nonceStr}', \/\/ \u5fc5\u586b\uff0c\u751f\u6210\u7b7e\u540d\u7684\u968f\u673a\u4e32  \r\n    signature: '${ signature}',\/\/ \u5fc5\u586b\uff0c\u7b7e\u540d\uff0c\u89c1\u9644\u5f551  \r\n    jsApiList: ['checkJsApi',\r\n                'chooseImage',\r\n                'previewImage',\r\n                 'uploadImage',\r\n                 'downloadImage'\r\n               ] \/\/ \u5fc5\u586b\uff0c\u9700\u8981\u4f7f\u7528\u7684JS\u63a5\u53e3\u5217\u8868\uff0c\u6240\u6709JS\u63a5\u53e3\u5217\u8868\u89c1\u9644\u5f552  \r\n});  \r\nwx.ready(function(){  \r\n    \/\/ 5 \u56fe\u7247\u63a5\u53e3\r\n  \/\/ 5.1 \u62cd\u7167\u3001\u672c\u5730\u9009\u56fe\r\n  var images = {\r\n    localId: [],\r\n    serverId: []\r\n  };\r\n  document.querySelector('#chooseImage').onclick = function () {\r\n    wx.chooseImage({\r\n      success: function (res) {\r\n        images.localId = res.localIds;\r\n        alert('\u5df2\u9009\u62e9 ' + res.localIds.length + ' \u5f20\u56fe\u7247');\r\n$(\"#faceImg\").attr(\"src\", res.localIds[0]);\/\/\u663e\u793a\u56fe\u7247\u5230\u9875\u9762\u4e0a\r\n      }\r\n    });\r\n  };\r\n  \/\/ 5.2 \u56fe\u7247\u9884\u89c8\r\n  document.querySelector('#previewImage').onclick = function () {\r\n    wx.previewImage({\r\n      current: 'http:\/\/www.vxzsk.com\/upload\/\/bf04c9b5-5699-421d-900e-3b68bbe58a8920160816.jpg',\r\n      urls: [\r\n        'http:\/\/www.vxzsk.com\/upload\/\/bf04c9b5-5699-421d-900e-3b68bbe58a8920160816.jpg',\r\n        'http:\/\/www.vxzsk.com\/upload\/\/bf04c9b5-5699-421d-900e-3b68bbe58a8920160816.jpg',\r\n        'http:\/\/www.vxzsk.com\/upload\/\/bf04c9b5-5699-421d-900e-3b68bbe58a8920160816.jpg'\r\n      ]\r\n    });\r\n  };\r\n  \/\/ 5.3 \u4e0a\u4f20\u56fe\u7247\r\n  document.querySelector('#uploadImage').onclick = function () {\r\n    if (images.localId.length == 0) {\r\n      alert('\u8bf7\u5148\u4f7f\u7528 chooseImage \u63a5\u53e3\u9009\u62e9\u56fe\u7247');\r\n      return;\r\n    }\r\n    var i = 0, length = images.localId.length;\r\n    images.serverId = [];\r\n    function upload() {\r\n      wx.uploadImage({\r\n        localId: images.localId[i],\r\n        success: function (res) {\r\n          i++;\r\n          \/\/alert('\u5df2\u4e0a\u4f20\uff1a' + i + '\/' + length);\r\n          images.serverId.push(res.serverId);\r\n          if (i < length) {\r\n            upload();\r\n          }\r\n        },\r\n        fail: function (res) {\r\n          alert(JSON.stringify(res));\r\n        }\r\n      });\r\n    }\r\n    upload();\r\n  };\r\n  \/\/ 5.4 \u4e0b\u8f7d\u56fe\u7247\r\n  document.querySelector('#downloadImage').onclick = function () {\r\n    if (images.serverId.length === 0) {\r\n      alert('\u8bf7\u5148\u4f7f\u7528 uploadImage \u4e0a\u4f20\u56fe\u7247');\r\n      return;\r\n    }\r\n    var i = 0, length = images.serverId.length;\r\n    images.localId = [];\r\n    function download() {\r\n      wx.downloadImage({\r\n        serverId: images.serverId[i],\r\n        success: function (res) {\r\n          i++;\r\n          alert('\u5df2\u4e0b\u8f7d\uff1a' + i + '\/' + length);\r\n          images.localId.push(res.localId);\r\n          if (i < length) {\r\n            download();\r\n          }\r\n        }\r\n      });\r\n    }\r\n    download();\r\n  };\r\n});  \r\n \/\/\u521d\u59cb\u5316jsapi\u63a5\u53e3 \u72b6\u6001\r\nwx.error(function (res) {\r\n  alert(\"\u8c03\u7528\u5fae\u4fe1jsapi\u8fd4\u56de\u7684\u72b6\u6001:\"+res.errMsg);\r\n});\r\n <\/script>\r\n  \r\n<\/imgalt><\/scriptsrc><\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236  <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
1,\u4e0a\u8ff0\u4ee3\u7801html\u6309\u94ae\u4ee3\u7801\u529f\u80fd\u5df2\u7ecf\u63cf\u8ff0\u7684\u5f88\u6e05\u695a\u4e86\uff0c\u6bcf\u70b9\u51fb\u4e00\u4e2a\u6309\u94ae\u89e6\u53d1\u4e00\u4e2ajs\u529f\u80fd\u51fd\u6570\u3002<\/p>\n
2\u3001\u70b9\u51fb\u4e0a\u4f20\u56fe\u7247\u6309\u94ae\u4e4b\u524d\u9996\u5148\u8981\u70b9\u51fb\u9009\u62e9\u56fe\u7247\u6309\u94ae\u529f\u80fd\uff0c\u4e0a\u4f20\u56fe\u7247\u6210\u529f\u540e\u4f1a\u8fd4\u56deserverid,\u6240\u4ee5\u672c\u4eba\u8ba4\u4e3a\u8fd9\u91cc\u975e\u5e38\u6897\uff0c\u8c03\u7528\u5fae\u4fe1jsapi\u4e0a\u4f20\u63a5\u53e3\uff0c\u6211\u7684\u56fe\u7247\u5230\u5e95\u4e0a\u4f20\u5230\u54ea\u91cc\u53bb\u4e86\u5462\uff1f\u5b9e\u9645\u4e0a\u6211\u4eec\u628a\u56fe\u7247\u4e0a\u4f20\u5230\u5fae\u4fe1\u670d\u52a1\u5668\u4e0a\u4e86\u4e5f\u5c31\u662f\u4e34\u65f6\u7d20\u6750\u91cc\u9762\u53bb\u4e86\uff0c\u53ef\u767b\u9646\u5fae\u4fe1\u5b98\u65b9\u7ba1\u7406\u5e73\u53f0\u67e5\u770b\uff0c\u4f60\u4e5f\u53ef\u4ee5\u8c03\u7528\u5fae\u4fe1\u4e34\u65f6\u7d20\u6750\u63a5\u53e3\u83b7\u53d6\u56fe\u7247\u3002<\/p>\n
3\u3001\u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801\uff0c\u6211\u4eec\u5c31\u5df2\u7ecf\u628a\u56fe\u7247\u4e0a\u4f20\u5230\u5fae\u4fe1\u670d\u52a1\u5668\u4e86\uff0c\u4f46\u662f\u6211\u4eec\u4e0a\u4f20\u5230\u5fae\u4fe1\u670d\u52a1\u5668\u7684\u56fe\u7247\u53ea\u80fd\u4fdd\u5b583\u5929\uff0c\u6240\u4ee5\u4e0a\u4f20\u5b8c\u4e4b\u540e\u6211\u4eec\u8981\u628a\u56fe\u7247\u4e0b\u8f7d\u5230\u6211\u4eec\u7684\u672c\u5730\u670d\u52a1\u5668\uff0c\u8fd9\u91cc\u7528\u5230\u5fae\u4fe1\u4e0b\u8f7d\u591a\u5a92\u4f53\u63a5\u53e3http:\/\/file.api.weixin.qq.com\/cgi-bin\/media\/get?access_token=ACCESS_TOKEN&media_id=MEDIA_ID \u5176\u4e2dmedia_id\u5c31\u662f\u6211\u4eec\u4e0a\u9762\u7684serverId \uff0c\u6240\u4ee5\u6211\u4eec\u5c31\u53ef\u4ee5\u628a\u56fe\u7247\u4e0b\u8f7d\u5230\u672c\u5730\u4e86\uff0c\u4ee3\u7801\u5982\u4e0b<\/p>\n\n\n<\/tr>\n<\/tbody>\n<\/table>\n
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package com.test.weixin;\r\nimport net.sf.json.JSONObject;\r\nimport org.apache.log4j.Level;\r\nimport org.apache.log4j.LogManager;\r\nimport org.apache.log4j.Logger;\r\nimport org.apache.log4j.Priority;\r\nimport org.springframework.util.StringUtils;\r\nimport java.io.*;\r\nimport java.net.HttpURLConnection;\r\nimport java.net.MalformedURLException;\r\nimport java.net.URL;\r\nimport java.net.URLConnection;\r\n\/****\r\n * \r\n * @author V\u578b\u77e5\u8bc6\u5e93 www.vxzsk.com\r\n *\r\n *\/\r\npublic class DloadImgUtil {\r\n  \/**\r\n   * \u6839\u636e\u5185\u5bb9\u7c7b\u578b\u5224\u65ad\u6587\u4ef6\u6269\u5c55\u540d\r\n   *\r\n   * @param contentType \u5185\u5bb9\u7c7b\u578b\r\n   * @return\r\n   *\/\r\n  public static String getFileexpandedName(String contentType) {\r\n    String fileEndWitsh = \"\";\r\n    if (\"image\/jpeg\".equals(contentType))\r\n      fileEndWitsh = \".jpg\";\r\n    else if (\"audio\/mpeg\".equals(contentType))\r\n      fileEndWitsh = \".mp3\";\r\n    else if (\"audio\/amr\".equals(contentType))\r\n      fileEndWitsh = \".amr\";\r\n    else if (\"video\/mp4\".equals(contentType))\r\n      fileEndWitsh = \".mp4\";\r\n    else if (\"video\/mpeg4\".equals(contentType))\r\n      fileEndWitsh = \".mp4\";\r\n    return fileEndWitsh;\r\n  }\r\n  \/**\r\n   * \u83b7\u53d6\u5a92\u4f53\u6587\u4ef6\r\n   * @param accessToken \u63a5\u53e3\u8bbf\u95ee\u51ed\u8bc1\r\n   * @param mediaId \u5a92\u4f53\u6587\u4ef6id\r\n   * @param savePath \u6587\u4ef6\u5728\u672c\u5730\u670d\u52a1\u5668\u4e0a\u7684\u5b58\u50a8\u8def\u5f84\r\n   * *\/\r\n  public static String downloadMedia(String accessToken, String mediaId, String savePath) {\r\n    try {\r\n      accessToken = DloadImgUtil.getAccessToken();\r\n    } catch (IOException e) {\r\n      e.printStackTrace();\r\n    }\r\n    String filePath = null;\r\n    \/\/ \u62fc\u63a5\u8bf7\u6c42\u5730\u5740\r\n    String requestUrl = \"http:\/\/file.api.weixin.qq.com\/cgi-bin\/media\/get?access_token=ACCESS_TOKEN&amp;media_id=MEDIA_ID\";\r\n    requestUrl = requestUrl.replace(\"ACCESS_TOKEN\", accessToken).replace(\"MEDIA_ID\", mediaId);\r\n    try {\r\n      URL url = new URL(requestUrl);\r\n      HttpURLConnection conn = (HttpURLConnection) url.openConnection();\r\n      conn.setDoInput(true);\r\n      conn.setRequestMethod(\"GET\");\r\n      if (!savePath.endsWith(\"\/\")) {\r\n        savePath += \"\/\";\r\n      }\r\n      \/\/ \u6839\u636e\u5185\u5bb9\u7c7b\u578b\u83b7\u53d6\u6269\u5c55\u540d\r\n      String fileExt = DloadImgUtil .getFileexpandedName(conn.getHeaderField(\"Content-Type\"));\r\n      \/\/ \u5c06mediaId\u4f5c\u4e3a\u6587\u4ef6\u540d\r\n      filePath = savePath + mediaId + fileExt;\r\n      BufferedInputStream bis = new BufferedInputStream(conn.getInputStream());\r\n      FileOutputStream fos = new FileOutputStream(new File(filePath));\r\n      byte[] buf = new byte[8096];\r\n      int size = 0;\r\n      while ((size = bis.read(buf)) != -1)\r\n        fos.write(buf, 0, size);\r\n      fos.close();\r\n      bis.close();\r\n      conn.disconnect();\r\n      String info = String.format(\"\u4e0b\u8f7d\u5a92\u4f53\u6587\u4ef6\u6210\u529f\uff0cfilePath=\" + filePath);\r\n      System.out.println(info);\r\n    } catch (Exception e) {\r\n      filePath = null;\r\n      String error = String.format(\"\u4e0b\u8f7d\u5a92\u4f53\u6587\u4ef6\u5931\u8d25\uff1a%s\", e);\r\n      System.out.println(error);\r\n    }\r\n    return filePath;\r\n  }\r\n  \/***\r\n      * \u83b7\u53d6acess_token \r\n      * \u6765\u6e90www.vxzsk.com\r\n      * @return\r\n      *\/\r\n     public static String getAccessToken(){\r\n            String appid=\"\u4f60\u516c\u4f17\u53f7\u57fa\u672c\u8bbe\u7f6e\u91cc\u7684\u5e94\u7528id\";\/\/\u5e94\u7528ID\r\n            String appSecret=\"\u4f60\u516c\u4f17\u53f7\u57fa\u672c\u8bbe\u7f6e\u91cc\u7684\u5e94\u7528\u5bc6\u94a5\";\/\/(\u5e94\u7528\u5bc6\u94a5)\r\n            String url =\"https:\/\/api.weixin.qq.com\/cgi-bin\/token?grant_type=client_credential&amp;appid=\"+appid+\"&amp;secret=\"+appSecret+\"\";\r\n            String backData=DloadImgUtil.sendGet(url, \"utf-8\", 10000);\r\n            String accessToken = (String) JSONObject.fromObject(backData).get(\"access_token\");  \r\n            return accessToken;\r\n     }\r\n     \/***\r\n         * \u6a21\u62dfget\u8bf7\u6c42\r\n         * @param url\r\n         * @param charset\r\n         * @param timeout\r\n         * @return\r\n         *\/\r\n         public static String sendGet(String url, String charset, int timeout)\r\n          {\r\n            String result = \"\";\r\n            try\r\n            {\r\n              URL u = new URL(url);\r\n              try\r\n              {\r\n                URLConnection conn = u.openConnection();\r\n                conn.connect();\r\n                conn.setConnectTimeout(timeout);\r\n                BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream(), charset));\r\n                String line=\"\";\r\n                while ((line = in.readLine()) != null)\r\n                {\r\n                  result = result + line;\r\n                }\r\n                in.close();\r\n              } catch (IOException e) {\r\n                return result;\r\n              }\r\n            }\r\n            catch (MalformedURLException e)\r\n            {\r\n              return result;\r\n            }\r\n            return result;\r\n          }\r\n}<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236  <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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