From 2c32827d899fa9e98a84f950a0d737a192b70dae Mon Sep 17 00:00:00 2001
From: deqingli <annong035@gmail.com>
Date: Fri, 29 Nov 2019 20:34:49 +0800
Subject: [PATCH 1/2] fix formatter tooltip can't get value in sankey diagram
 #11459

---
 src/chart/sankey/SankeySeries.js | 11 +++++++++++
 test/sankey-vertical.html        |  5 ++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/chart/sankey/SankeySeries.js b/src/chart/sankey/SankeySeries.js
index 9feaf3e601..8f58019361 100644
--- a/src/chart/sankey/SankeySeries.js
+++ b/src/chart/sankey/SankeySeries.js
@@ -138,6 +138,17 @@ var SankeySeries = SeriesModel.extend({
         }
     },
 
+    // Override Series.getDataParams()
+    getDataParams: function (dataIndex, dataType) {
+        var params = SankeySeries.superCall(this, 'getDataParams', dataIndex, dataType);
+        if (!params.value && dataType === 'node') {
+            var node = this.getGraph().getNodeByIndex(dataIndex);
+            var nodeValue = node.getLayout().value;
+            params.value = nodeValue;
+        }
+        return params;
+    },
+
     defaultOption: {
         zlevel: 0,
         z: 2,
diff --git a/test/sankey-vertical.html b/test/sankey-vertical.html
index f28731ff9a..6962a36bf1 100644
--- a/test/sankey-vertical.html
+++ b/test/sankey-vertical.html
@@ -173,7 +173,10 @@
                     color: ['#67001f', '#b2182b', '#d6604d', '#f4a582', '#fddbc7', '#d1e5f0', '#92c5de', '#4393c3', '#2166ac', '#053061'],
                     tooltip: {
                         trigger: 'item',
-                        triggerOn: 'mousemove'
+                        triggerOn: 'mousemove',
+                        formatter: function (params) {
+                            return params.name + ': ' + params.value;
+                        }
                     },
                     animation: false,
                     series: [

From 22b67585c5639804c727e72e6e1e74889e7ce099 Mon Sep 17 00:00:00 2001
From: deqingli <annong035@gmail.com>
Date: Mon, 2 Dec 2019 13:55:48 +0800
Subject: [PATCH 2/2] fix(sankey): forget to process the special value 0 when
 getDataParams() in SankeySeries.js

---
 src/chart/sankey/SankeySeries.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/chart/sankey/SankeySeries.js b/src/chart/sankey/SankeySeries.js
index 8f58019361..05abf323ac 100644
--- a/src/chart/sankey/SankeySeries.js
+++ b/src/chart/sankey/SankeySeries.js
@@ -141,7 +141,7 @@ var SankeySeries = SeriesModel.extend({
     // Override Series.getDataParams()
     getDataParams: function (dataIndex, dataType) {
         var params = SankeySeries.superCall(this, 'getDataParams', dataIndex, dataType);
-        if (!params.value && dataType === 'node') {
+        if (params.value == null && dataType === 'node') {
             var node = this.getGraph().getNodeByIndex(dataIndex);
             var nodeValue = node.getLayout().value;
             params.value = nodeValue;