【代码小记】无

1.转换字段名为get/set方法名

    /**
     * 给Object对象设置某属性值
     * @param obj Object
     * @param columnName String
     * @param value Object
     * @return
     */
    public Boolean setPropertyByColumn(Object obj,String columnName,Object value) {
        try {
            if (obj!=null && columnName!=null) {
                java.lang.reflect.Method set = obj.getClass().getDeclaredMethod(
                        transColumn2GetOrSetMethodName(columnName,"set"), value.getClass());
                set.invoke(obj, value);
                return true;
            } else {
                return false;
            }
        } catch (Exception e) {
            return false;
        }
    }
    
    /**
     * 根据列名获取对应的get或set方法名
     * @param column String
     * @param setOrget String
     * @return
     */
    public String transColumn2GetOrSetMethodName(String column,String setOrget){
        if (column==null || setOrget==null) {
            return null;
        }
        if (setOrget.matches("set|get")) {
            String[] colps = column.toLowerCase().split("_");
            String methodName = "set";
            for (int i = 0; i < colps.length; i++) {
                if (colps[i].length() > 1) {
                    methodName += new String(colps[i].substring(0, 1).toUpperCase());
                    methodName += new String(colps[i].substring(1));
                } else {
                    methodName += new String(colps[i].toUpperCase());
                }
            }
            return methodName;
        } else {
            System.out.println("param setOrget must be set or get.");
            return null;
        }
    }
    
    /**
     * 获取Object某属性值
     * @param obj Object
     * @param columnName String
     * @return
     */
    public Object getPropertyByColumn(Object obj,String columnName) {
        try {
            if (obj!=null && columnName!=null) {
                java.lang.reflect.Method get = obj.getClass().getDeclaredMethod(
                        transColumn2GetOrSetMethodName(columnName,"get"));
                return get.invoke(obj);
            } else {
                return null;
            }
        } catch (Exception e) {        
            return null;
        }
    }

2.ServletInputStream数据流接收并存入byte数组中进行缓存

            ServletInputStream sis = this.getRequest().getInputStream();
            int readCount = 0; //已读取字节数
            int count = getRequest().getContentLength() ; //当前可读取字节数
            byte[] buffer = new byte[count];
            while (readCount < count) {
                readCount += sis.read(buffer, readCount, count-readCount);
            }