MT4价格预警指标使用
1、1 源码如下
//+------------------------------------------------------------------+
//| 价格预警.mq4 |
//| Copyright ?2011, iPan. |
//| http://blog.sina.com.cn/panqunjun |
//+------------------------------------------------------------------+
#property copyright "Copyright ?2011, iPan."
#property link "http://blog.sina.com.cn/panqunjun"
#property indicator_chart_window
//--- input parameters
extern double Price = 0; // 设定的价位；
extern int UpDn01 = 0; // 0：向上突破；1：向下突破；
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
string upDnStr = "";
if (UpDn01 == 0) {
upDnStr = "上破 ";
} else {
upDnStr = "下破 ";
}
Comment("价格预警: [", upDnStr, Price, "]");
Print("init> " + Price);
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
if (Price == 0) {
return(0);
}
// 向上突破某价位
if (UpDn01 == 0 && Bid >= Price) {
Alert("价格上破：", Price);
// 向下突破某价位
} else if (UpDn01 == 1 && Ask <= Price) {
Alert("价格下破：", Price);
}
return(0);
}
//+------------------------------------------------------------------+
MT4价格预警指标使用
1）打开MetaEditor编辑器，新建 -> 客户指标 -> 导入上面源码 -> 编译；
2、2）在MT4主界面调用，选择“价格预警”指标，如下图：
3、2）设置你要定义突破某个价位的数值，如下图：
在主图左上角有显示你设定的突破提示信息；
1、4）如何修改设定的参数，右击选择“技术指标列表”，如下图：
2、5）价格修改成1562后，当前卖价是1562.8突破1562，则报警如下：
增强版本如下：
//+------------------------------------------------------------------+
//| 价格预警.mq4 |
//| Copyright ?2011, iPan. |
//| http://blog.sina.com.cn/panqunjun |
//+------------------------------------------------------------------+
#property copyright "Copyright ?2012-06-11, iPan."
#property link "http://blog.sina.com.cn/panqunjun"
#property indicator_chart_window
#property indicator_buffers 1
#property indicator_color1 Red
//---- indicator parameters
extern double Price = 0; // 设定的价位；
extern int UpDn01 = 0; // 0：向上突破；1：向下突破；
extern bool audio = false; // 默认音频关闭
//--- buffers
double PriceLine[]; // 价位线
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
SetIndexStyle(0, DRAW_LINE, STYLE_DOT);
SetIndexBuffer(0, PriceLine);
SetIndexLabel(0, "预警");
string upDnStr = "";
if (UpDn01 == 0) {
upDnStr = "上破 ";
} else {
upDnStr = "下破 ";
}
Comment("价格预警: [", upDnStr, Price, "]");
//Print("init> " + Price);
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int limit;
int counted_bars = IndicatorCounted();
if (Price == 0) {
return(0);
}
if(counted_bars > 0) counted_bars--;
limit = Bars - counted_bars;
for(int i=0; i<limit; i++) {
PriceLine[i] = Price;
}
// 向上突破某价位
if (UpDn01 == 0 && Close[0] >= Price) {
if (audio) {
PlaySound("jd_alarm.wav");
} else {
Alert("价格上破：", Price);
}
// 向下突破某价位
} else if (UpDn01 == 1 && Close[0] <= Price) {
if (audio) {
PlaySound("jd_alarm.wav");
} else {
Alert("价格下破：", Price);
}
}
return(0);
}
//+------------------------------------------------------------------+
