(params.keySet());
+
+ // 按照自然升序处理
+ Collections.sort(keys);
+ for (int i = 0; i < keys.size(); i++) {
+ String key = keys.get(i);
+ String value = params.get(key);
+ try {
+ value = URLEncoder.encode(value, "utf-8");
+ } catch (UnsupportedEncodingException e) {
+ e.printStackTrace();
+ }
+ if (value != null) {
+ content.append((i == 0 ? "" : "&") + key + "=" + value);
+ } else {
+ content.append((i == 0 ? "" : "&") + key + "=");
+ }
+ }
+ return content.toString();
+
+ }
+
+ /**
+ * 检查字符串是否是空白：null、空字符串""或只有空白字符。
+ *
+ *
+ * StringUtil.isBlank(null) = true
+ * StringUtil.isBlank("") = true
+ * StringUtil.isBlank(" ") = true
+ * StringUtil.isBlank("bob") = false
+ * StringUtil.isBlank(" bob ") = false
+ *
+ *
+ * @param str
+ * 要检查的字符串
+ * @return 如果为空白, 则返回true
+ */
+ public static boolean isBlank(String str) {
+ int length;
+
+ if ((str == null) || ((length = str.length()) == 0)) {
+ return true;
+ }
+
+ for (int i = 0; i < length; i++) {
+ if (!Character.isWhitespace(str.charAt(i))) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ public static Map splitQueryString(String queryString)
+ throws UnsupportedEncodingException {
+ Map queryPairs = new LinkedHashMap();
+ String[] params = queryString.split("&");
+ for (String param : params) {
+ String[] pairs = param.split("=");
+ String key = URLDecoder.decode(pairs[0], "UTF-8");
+ String value = URLDecoder.decode(pairs[1], "UTF-8");
+ queryPairs.put(key, value);
+ }
+ return queryPairs;
+ }
+
+
+ public static String generateRandomString(int length) {
+ char[] elements = { '3', '4', '5', '7', '8', 'a', 'c', 'd', 'e', 'f',
+ 'g', 'h', 'i', 'j', 'k', 'm', 'n', 'p', 'r', 's', 't', 'u',
+ 'v', 'w', 'x', 'y' };
+ StringBuffer stringBuffer = new StringBuffer();
+
+ Random random = new Random(System.currentTimeMillis());
+ for (int i = 0; i < length; i++) {
+ stringBuffer.append(elements[random.nextInt(elements.length)]);
+ }
+ return stringBuffer.toString();
+ }
+
+ public static String getYearAndMonth() {
+ Date date = new Date();
+ SimpleDateFormat format = new SimpleDateFormat("yyyyMM");
+ return format.format(date);
+ }
+
+ public static boolean checkInput(String str){
+ if(str == null){
+ return false;
+ }
+ return str.matches("[\\w]+");
+
+ }
+}
diff --git a/zsdk/src/com/zsdk/client/util/ToastUtil.java b/zsdk/src/com/zsdk/client/util/ToastUtil.java
new file mode 100644
index 0000000..34b5f28
--- /dev/null
+++ b/zsdk/src/com/zsdk/client/util/ToastUtil.java
@@ -0,0 +1,10 @@
+package com.zsdk.client.util;
+
+import android.content.Context;
+import android.widget.Toast;
+
+public class ToastUtil {
+ public static void show(Context context, String msg) {
+ Toast.makeText(context, msg, Toast.LENGTH_LONG).show();
+ }
+}